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Stop searching, start building. Free resources for developers. πŸš€ Backup demo: https://freeforgeeks.netlify.app

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README

          

#### **About**

Free For Geeks



**Free For Geeks** is your curated toolbox for building better software. Free resources for all your dev needs.

A collection of links to **free resources** and **tools** for developers. It includes everything from **Frontend** and **Backend** to **DevSecOps**, **competitive programming** and more.

Table of Contents

- [Frontend](#frontend)
- [Backend](#backend)
- [APIs & Services](#apis)
- [Database & Data Management](#database)
- [DevSecOps](#devsecops)
- [Machine Learning](#machine-learning)
- [Open Source](#open-source)
- [Resources](#resources)
- [Career Development](#career-development)
- [Other Resources](#other-great-resources)

#### **Contribute**

How to Contribute?

🀝 Please read the [CONTRIBUTING guidelines](CONTRIBUTING.md) for details on our code of conduct, and the process for submitting pull requests.

![Alt](https://repobeats.axiom.co/api/embed/bd3fc0a07cc29d4d8873a866e5c3c9752f50714c.svg "Repobeats analytics image")

#### **Developer**

Who is this for?

πŸ‘©β€πŸ’» This is for developers, designers, and tech enthusiasts who want to build better software. It includes resources for **Frontend**, **Backend**, **DevSecOps**, **competitive programming** and more.

# Frontend

[Frontend dev bookmarks](https://github.com/dypsilon/frontend-dev-bookmarks) - Manually curated collection of resources for frontend web developers.

## Dashboards and Admin Panels

1. [AdminLTE](https://adminlte.io) is a fully responsive admin template. Based on Bootstrap 4.4 framework and also the JS/jQuery plugin. ⭐ [44k stars](https://github.com/ColorlibHQ/AdminLTE)
2. [Tabler](https://tabler.io) is free and open-source HTML Dashboard UI Kit built on Bootstrap ⭐ [37k stars](https://github.com/tabler/tabler)
3. [Ngx Admin](https://akveo.github.io/ngx-admin) is a free Angular admin dashboard template. ⭐ [25k stars](https://github.com/akveo/ngx-admin)
4. [Core UI](https://coreui.io) is a free Bootstrap admin template build with **HTML**. ⭐ [12k stars](https://github.com/coreui/coreui-free-bootstrap-admin-template) πŸ’²πŸ’²
5. [Material Dashboard](https://www.creative-tim.com/product/material-dashboard) is a free Material Bootstrap 4 Admin with a fresh, new design inspired by Google's Material Design. ⭐ [11k stars](https://github.com/creativetimofficial/material-dashboard)
6. [Tailwind Components - Dashboard](https://tailwindcomponents.com/components/dashboard) is a free Tailwind CSS Dashboard template. ⭐ [568 stars](https://github.com/tailwindcomponents/dashboard)
7. [Tailwind Toolbox - Dashboard](https://tailwindtoolbox.github.io/Admin-Template) is a free Tailwind CSS Dashboard template. ⭐ [328 stars](https://github.com/tailwindtoolbox/Admin-Template)

## Component Libraries

πŸ† [Shadcn](https://ui.shadcn.com) `Build your component library and own the code.` is a beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source. ⭐ [51.4k stars](https://github.com/shadcn-ui/ui)

- πŸ₯‡[Tailwind UI](https://tailwindui.com/components) is a collection of professionally designed, pre-built, fully responsive HTML snippets you can drop into your Tailwind projects.
- πŸ₯ˆ[HeadlessUI](https://headlessui.dev) is a set of completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS. ⭐ [24k stars](https://github.com/tailwindlabs/headlessui)

1. [Material UI](https://mui.com) Ready-to-use foundational React components, free forever. ⭐ [91k stars](https://github.com/mui/material-ui)
2. [Ant Design](https://ant.design) is An enterprise-class UI design language and React UI library. ⭐ [90.5k stars](https://github.com/ant-design/ant-design)
3. [Storybook](https://storybook.js.org) is a frontend workshop for **building UI components and pages in isolation**. Use for **UI development, testing, and docs**. ⭐ [83k stars](https://github.com/storybookjs/storybook)
4. [Chakra UI](https://chakra-ui.com) is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications. ⭐ [36.2k stars](https://github.com/chakra-ui/chakra-ui)
5. [DaisyUI](https://daisyui.com) is the most popular, free and open-source Tailwind CSS component library. ⭐ [29.6k stars](https://github.com/saadeghi/daisyui)
6. [React Admin](https://marmelab.com/react-admin) is The React Framework for B2B Apps. | A frontend Framework for building data-driven applications running on top of REST/GraphQL APIs, using TypeScript, React and Material Design ⭐ [24k stars](https://github.com/marmelab/react-admin)
7. πŸ”₯ [Mantine](https://mantine.dev) is a fully featured React components library. ⭐ [24k stars](https://github.com/mantinedev/mantine)
8. [Next UI](https://nextui.org) is a collection of beautifully designed, accessible, and customizable UI components for React. ⭐ [18.6k stars](https://github.com/nextui-org/nextui)
9. [Semantic UI React](https://react.semantic-ui.com) ⭐ [13.2k stars](https://github.com/Semantic-Org/Semantic-UI-React)
10. [Radix UI - Primitives](https://www.radix-ui.com/primitives) is for building high-quality, accessible design systems and web apps. ⭐ [14k stars](https://github.com/radix-ui/primitives)
11. [Evergreen](https://evergreen.segment.com) is a React UI Framework for building ambitious products on the web. ⭐ [12k stars](https://github.com/segmentio/evergreen)
12. [TW-Elements](https://tw-elements.com) has a 𝙃π™ͺπ™œπ™š collection of Tailwind components, sections and templates ⭐ [13k stars](https://github.com/mdbootstrap/TW-Elements)
13. [Shoelace](https://shoelace.style). Works with all frameworks as well as regular HTML/CSS/JS. ⭐ [11.6k stars](https://github.com/shoelace-style/shoelace)
14. [Reactstrap](https://reactstrap.github.io) is a simple and easy to use React Bootstrap 4 components. ⭐ [11k stars](https://github.com/reactstrap/reactstrap)
15. [Tailblocks](https://tailblocks.cc) is a Ready-to-use Tailwind CSS blocks. ⭐ [8.7k stars](https://github.com/mertJF/tailblocks)
16. [Grommet](https://v2.grommet.io) is a React-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package. ⭐ [8.5k stars](https://github.com/grommet/grommet)
17. [Hyper UI](https://hyperui.dev) is a collection of beautiful, accessible, and customizable UI components for React. ⭐ [8k stars](https://github.com/markmead/hyperui)
18. [React Suite](https://rsuitejs.com) is a suite of React components. ⭐ [8k stars](https://github.com/rsuite/rsuite)
19. [Float UI](https://floatui.com) offers all the vital building blocks you need to transform your idea into a great-looking startup. ⭐ [3k stars](https://github.com/MarsX-dev/floatui)
20. [Meraki UI](https://merakiui.com) is a collection of responsive Tailwind CSS components that enhance the user experience of your website. with support for RTL languages, and a sleek Dark Mode. ⭐ [2.3k stars](https://github.com/merakiui/merakiui)
21. [React Headless Components](https://github.com/jxom/awesome-react-headless-components) is a collection of headless components for React. ⭐ [1k stars](https://github.com/jxom/awesome-react-headless-components)
22. [Starwind](https://starwind.dev) is a set of powerful, accessible components for your `Astro` projects. Styled with Tailwind CSS v4. ⭐ [GitHub](https://github.com/starwind-ui/starwind-ui)

- [Tailwind Components](https://tailwindcomponents.com) is an Open source Tailwind UI components and templates to bootstrap your new apps, projects or landing sites! ⭐ [GitHub](https://github.com/tailwindcomponents)
- [Tailwind Toolbox](https://www.tailwindtoolbox.com) is a free Tailwind CSS Templates, Components and Resources. ⭐ [GitHub](https://github.com/tailwindtoolbox)

## Data Visualization Components

1. [D3js](https://d3js.org) is a JavaScript library for bespoke data visualization. ⭐ [107k stars](https://github.com/d3)
2. [Chart js](https://www.chartjs.org) is a simple yet flexible JavaScript charting library for designers and developers. ⭐ [63.5k stars](https://github.com/chartjs/Chart.js)
3. [Recharts](https://recharts.org/en-US) is a composable charting library built on React components. Redefined chart library built with `React` and `D3`. ⭐ [22k stars](https://github.com/recharts/recharts)
4. [Visx](https://airbnb.io/visx) is a collection of expressive, low-level visualization primitives for React. | Develop by Airbnb. ⭐ [18.5k stars](https://github.com/airbnb/visx)
5. [Plotly](https://plotly.com/javascript) is a JavaScript Open Source Graphing Library that makes interactive, publication-quality graphs online. ⭐[16.5k stars](https://github.com/plotly/plotly.js)
6. [Tremor](https://www.tremor.so): React components to build charts and dashboards. ⭐ [14.7k stars](https://github.com/tremorlabs/tremor)
7. [ApexCharts](https://apexcharts.com) is a modern charting library that helps developers to create beautiful and interactive visualizations for web pages. ⭐ [13.7k stars](https://github.com/apexcharts/apexcharts.js)
8. [Nivo](https://nivo.rocks) provides a rich set of dataviz components, built on top of D3 and React. ⭐ [12.5k stars](https://github.com/plouc/nivo)
9. [HighCharts](https://www.highcharts.com) makes it easy for developers to create charts and dashboards for web and mobile platforms. ⭐ [11.8k stars](https://github.com/highcharts/highcharts)
10. [Google Chart](https://developers.google.com/chart) tools are powerful, simple to use, and free. Try out our rich gallery of interactive charts and data tools.
11. [Vega](https://vega.github.io/vega) is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. ⭐ [10.8k stars](https://github.com/vega/vega)
12. [Victory](https://formidable.com/open-source/victory) is a React.js components for modular charting and data visualization. ⭐ [10.7k stars](https://github.com/FormidableLabs/victory)
13. [C3js](https://c3js.org) is a D3-based reusable chart library. ⭐ [9.7k stars](https://github.com/c3js/c3)
14. [Dygraphs](https://dygraphs.com) is a flexible open-source JavaScript charting library. ⭐ [3.2k stars](https://github.com/danvk/dygraphs)
15. [Datawrapper](https://www.datawrapper.de) is a data visualization tool that enables you to create charts, maps, and tables. ⭐ [1.3k stars](https://github.com/datawrapper/datawrapper)
16. [React Graph Gallery](https://www.react-graph-gallery.com) ⭐ [GitHub](https://github.com/holtzy/react-graph-gallery)

## Maps and Geolocation

1. [Leaflet](https://leafletjs.com) is the leading open-source JavaScript library for mobile-friendly interactive maps. ⭐ [40k stars](https://github.com/Leaflet/Leaflet)
2. [Mapbox](https://www.mapbox.com) is a mapping platform for developers. Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL. ⭐ [10k stars](https://github.com/mapbox/mapbox-gl-js) πŸ’²πŸ’²
3. [React-map-gl](https://visgl.github.io/react-map-gl) is a suite of React components for Mapbox GL JS. ⭐ [7.5k stars](https://github.com/visgl/react-map-gl)
4. [React Simple Maps](https://www.react-simple-maps.io) is a library to create beautiful SVG maps in React. ⭐ [3k stars](https://github.com/zcreativelabs/react-simple-maps)
5. [Google Map React](https://github.com/google-map-react/google-map-react)
6. [React Leaflet](https://react-leaflet.js.org) is a React components for Leaflet maps. ⭐ [5k stars](https://github.com/PaulLeCam/react-leaflet)
7. [React Leaflet Map Examples](https://tomickigrzegorz.github.io/react-leaflet-examples) 🍁 A collection of examples on how to use the react-leaflet and leaflet libraries. ⭐ [GitHub](https://github.com/tomickigrzegorz/react-leaflet-examples)
8. [Leaflet Map Examples](https://tomickigrzegorz.github.io/leaflet-examples) 🍁 A collection of examples on how to use the leaflet library. ⭐ [GitHub](https://github.com/tomickigrzegorz/leaflet-examples)
9. [Pigeon Maps](https://pigeon-maps.js.org) is a ReactJS Map library that uses and exposes the power of the Leaflet API. ⭐ [3.5k stars](https://github.com/mariusandra/pigeon-maps)
10. [Mapkick](https://chartkick.com/mapkick-js) is a JavaScript library for interactive maps. Create beautiful, interactive maps with one line of JavaScript ⭐ [GitHub](https://github.com/ankane/mapkick.js)
11. [a11y-dialog](https://a11y-dialog.netlify.app) a11y-dialog is a lightweight yet flexible script to create accessible dialog windows. ⭐ [GitHub](https://github.com/KittyGiraudel/a11y-dialog)
12. [OpenStreetMaps](https://www.openstreetmap.org/#map=4/38.01/-95.84) Free and open-source map data. Explore "a map of the world, created by people like you and free to use under an open license."
13. [React Google Maps](https://visgl.github.io/react-google-maps) is a react components and hooks for the Google Maps JavaScript API. ⭐ [GitHub](https://github.com/visgl/react-google-maps)

## Utility libraries for JavaScript

- [Axios.js](https://axios-http.com) is a promise-based HTTP client for the browser and Node.js. ⭐ [104k stars](https://github.com/axios/axios)
- [Redux.js](https://redux.js.org) is a predictable state container for JavaScript apps. ⭐ [61k stars](https://github.com/reduxjs/redux)
- [Lodash](https://lodash.com) is a modern JavaScript utility library delivering modularity, performance & extras. ⭐ [59k stars](https://github.com/lodash/lodash)
- [Moment.js](https://momentjs.com) is a JavaScript date library for parsing, validating, manipulating, and formatting dates. ⭐ [48k stars](https://github.com/moment/moment)
- [Day.js](https://day.js.org) ⏰ is a minimalist JavaScript library that parses, validates, manipulates, and displays dates and times for modern browsers with a largely Moment.js-compatible API. Its 2kB immutable date-time library alternative to Moment.js with the same modern API ⭐ [46k stars](https://github.com/iamkun/dayjs)
- [Date-fns](https://date-fns.org) is a modern JavaScript date utility library. ⭐ [33.5k stars](https://github.com/date-fns/date-fns)
- [Async](https://caolan.github.io/async/v3) is a utility module which provides straight-forward, powerful functions for working with asynchronous JavaScript. ⭐ [28k stars](https://github.com/caolan/async)
- [Immer](https://immerjs.github.io/immer) is a tiny package that **allows you to work with immutable state in a more convenient way**. It is based on the copy-on-write mechanism. ⭐ [27k stars](https://github.com/immerjs/immer)
- [Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) provides an interface for fetching resources (including across the network).
- [Ramda](https://ramdajs.com) is a practical functional library for JavaScript programmers. ⭐ [23.5k stars](https://github.com/ramda/ramda)
- [Store.js](https://github.com/marcuswestin/store.js) is Cross-browser storage for all use cases, used across the web. ⭐ [14k stars](https://github.com/marcuswestin/store.js)
- [Cookiejar](https://www.npmjs.com/package/cookiejar) is a simple, lightweight, and fast cookie manipulation library for JavaScript. ⭐ [GitHub](https://github.com/bmeck/node-cookiejar#readme)
- [cross-storage](https://github.com/zendesk/cross-storage) is a Cross domain local storage, with permissions ⭐ [GitHub](https://github.com/zendesk/cross-storage)
- [Tempo](https://tempojs.com) is the easiest way to work with `dates` in JavaScript. πŸ“† Parse, format, manipulate, and internationalize dates and times in JavaScript and TypeScript.⭐ [2.2k stars](https://github.com/formkit/tempo)

## 3D and Animation Libraries

1. [Three.js](https://threejs.org) is a cross-browser JavaScript library and application programming interface used to create and display animated 3D computer graphics in a web browser. ⭐ [97.9k stars](https://github.com/mrdoob/three.js)
2. [Anime.js](https://animejs.com) is a lightweight JavaScript animation library. It works with any CSS Properties, individual CSS transforms, SVG or any DOM attributes, and JavaScript Objects. ⭐ [48.5k stars](https://github.com/juliangarnier/anime)
3. [Pixi.js](https://www.pixijs.com) is a fast, lightweight 2D library that works across all devices. ⭐ [42.1k stars](https://github.com/pixijs/pixijs)
4. [Babylon.js](https://www.babylonjs.com) is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework. ⭐ [22k stars](https://github.com/BabylonJS/Babylon.js)
5. [React Spring](https://react-spring.io) is a spring-physics based animation library for React applications. ⭐ [28k stars](https://github.com/pmndrs/react-spring)
6. [Framer Motion](https://www.framer.com/motion) is a production-ready motion library for React. ⭐ [22.5k stars](https://github.com/framer/motion)
7. [GSAP](https://gsap.com) is a professional-grade JavaScript animation for the modern web. ⭐ [18.3k stars](https://github.com/greensock/GSAP)
8. [A-frame](https://aframe.io) is a web framework for building 3D/AR/VR experiences. ⭐ [16.3k stars](https://github.com/aframevr/aframe)
9. [Matter.js](https://brm.io/matter-js) is a a 2D physics engine for the web ▲● β–  ⭐ [16k stars](https://github.com/liabru/matter-js)
10. [Auto Animate](https://auto-animate.formkit.com) is a zero-config, drop-in animation utility that adds smooth transitions to your web app. ⭐ [12k stars](https://github.com/formkit/auto-animate)

## Slider and Carousel Libraries

- [Swiper](https://swiperjs.com) is the most modern mobile `touch slider`. ⭐ [39k stars](https://github.com/nolimits4web/swiper)
- [PhotoSwipe](https://photoswipe.com) is a JavaScript image gallery for mobile and desktop, modular, framework independent, responsive, zoomable, with mouse/touch support. ⭐ [25k stars](https://github.com/dimsemenov/PhotoSwipe)
- [lightGallery](https://www.lightgalleryjs.com) is a modular, responsive, lightbox gallery plugin for mobile and desktop. ⭐ [7k stars](https://github.com/sachinchoolur/lightGallery)
- [Flicking](https://flickity.metafizzy.co) is a touch-friendly, **responsive**, and customizable carousel. ⭐ [7.5k stars](https://github.com/metafizzy/flickity)
- [Glide](https://glidejs.com) is a dependency-free JavaScript ES6 `slider and carousel`. It's lightweight, flexible, adaptive, and mobile-friendly. ⭐ [7.2k stars](https://github.com/glidejs/glide)
- [Embla Carousel](https://www.embla-carousel.com) A lightweight `carousel library` with fluid motion and great swipe precision. ⭐ [5.5k stars](https://github.com/davidjerleke/embla-carousel)
- [Keen-Slider](https://keen-slider.io) is a free library agnostic touch slider with native touch/swipe behavior and great performance. ⭐ [4.7k stars](https://github.com/rcbyr/keen-slider)
- [React Image Gallery](https://linxtion.com/demo/react-image-gallery) is a React image gallery component with thumbnail support. ⭐ [4k stars](https://github.com/xiaolin/react-image-gallery)
- [React Photo Gallery](https://neptunian.github.io/react-photo-gallery) is a responsive image gallery component for React. ⭐ [2k stars](https://github.com/neptunian/react-photo-gallery)
- [Divz](https://lewhunt.github.io/divz) is a React component that lets you `scroll, swipe and zoom through HTML content on the 3D z-axis`. Ideal to showcase your portfolio, media or products. ⭐ [GitHub](https://github.com/lewhunt/divz)

## Other JS libraries

- [Core.js]() is a modular standard library for JavaScript. ⭐ [24k stars](https://github.com/zloirock/core-js)
- [PDF.js](https://mozilla.github.io/pdf.js) is a **PDF Reader** in JavaScript ⭐ [34.5k stars](https://github.com/mozilla/pdf.js)
- [Video.js](https://videojs.com) is an open-source HTML5 video player. ⭐ [37k stars](https://github.com/videojs/video.js)
- [Codemirror.js](https://codemirror.net) is a versatile text editor implemented in JavaScript for the browser. ⭐ [26.5k stars](https://github.com/codemirror/codemirror5)
- [Hammer.js](https://hammerjs.github.io) is a JavaScript library for multi-touch gestures. ⭐ [24k stars](https://github.com/hammerjs/hammer.js)
- [Howler.js](https://howlerjs.com) is a JavaScript audio library for the modern web. ⭐ [23k stars](https://github.com/goldfire/howler.js)
- [P5.js](https://p5js.org) is a JavaScript library for creative coding, with a focus on making coding accessible and inclusive for artists, designers, educators, beginners, and anyone else. ⭐ [20.7k stars](https://github.com/processing/p5.js)
- [Draggable.js](https://shopify.github.io/draggable) is a lightweight, responsive, modern drag-and-drop library. ⭐ [17.5k stars](https://github.com/Shopify/draggable)
- [Luxon](https://moment.github.io/luxon) is a library for working with dates and times in JavaScript. ⭐ [15k stars](https://github.com/moment/luxon)
- [Nuclear.js](https://nuclear.js.org) Streaming music player that finds free music for you ⭐ [11.3k stars](https://github.com/nukeop/nuclear)
- [Next Video](https://next-video.dev)Add high-performance video to your Next.js app. ⭐ [GitHub](https://github.com/muxinc/next-video)
- [Hi-mom](https://www.npmjs.com/package/hi-mom) is a blazingly fast JavaScript library to say hi to your mom!⭐ [GitHub](https://github.com/tsivinsky/hi-mom)
- [Danfo.js](https://danfo.jsdata.org) is an open source, JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data. ⭐ [GitHub](https://github.com/javascriptdata/danfojs)
- [Standard.js](https://standardjs.com) is a JavaScript Style Guide, with linter & automatic code fixer. ⭐ [30k stars](https://github.com/standard/standard)

## JavaScript

- [JavaScript.info](https://javascript.info) is a modern JavaScript tutorial. ⭐ [23k stars](https://github.com/javascript-tutorial/en.javascript.info)
- [You-Dont-Know-JS](https://github.com/getify/You-Dont-Know-JS) is a book series on JavaScript. ⭐ [177k stars](https://github.com/getify/You-Dont-Know-JS)
- [javascript-algorithms](https://github.com/trekhleb/javascript-algorithms) and data structures implemented in JavaScript with explanations and links to further readings ⭐ [181k stars](https://github.com/trekhleb/javascript-algorithms)

## TypeScript

- [TypeScript](https://www.typescriptlang.org) is a typed superset of JavaScript that compiles to plain JavaScript. ⭐ [100k stars](https://github.com/microsoft/TypeScript)
- [Zod](https://zod.dev) is a TypeScript-first schema declaration and validation library. I'm using the term "schema" to broadly refer to any data type, from a simple string to a complex nested object. ⭐ [30k stars](https://github.com/colinhacks/zod)

## React

- [Zustand](https://zustand-demo.pmnd.rs) is a small, fast and scalable `bearbones state-management solution` using simplified flux principles. Has a comfy API based on hooks, isn't boilerplatey or opinionated. ⭐ [44.5k stars](https://github.com/pmndrs/zustand)
- [React Hook Form](https://react-hook-form.com) is a performant, flexible, and extensible forms with easy-to-use validation. ⭐ [40k stars](https://github.com/react-hook-form/react-hook-form)
- [Formik](https://formik.org) is the world's most popular open source form library for React and React Native. Build forms in React, without the tears. ⭐ [33.6k stars](https://github.com/jaredpalmer/formik)
- [Tanstack Table](https://tanstack.com/table/latest) is a headless UI for building powerful tables & datagrids ⭐ [25k stars](https://github.com/tanstack/table)
- [DnD-Kit](https://dndkit.com) is a modern, lightweight, performant `drag-and-drop` toolkit for React. ⭐ [12k stars](https://github.com/clauderic/dnd-kit)
- [React Community](https://reactcommunity.org) is a collection of React libraries and tools. ⭐ [GitHub](https://github.com/reactjs)
- [Sonner](https://sonner.emilkowal.ski) is an opinionated **toast component** for React. ⭐ [7k stars](https://github.com/emilkowalski/sonner)
- [Wouter](https://npm.im/wouter) is a tiny router for modern React and Preact apps that relies on Hooks. ⭐ [6.5k stars](https://github.com/molefrog/wouter)
- [Plasmic](https://www.plasmic.app) is an open-source visual editing and content platform for building websites and apps. Integrate with existing codebases. Ship incredibly fast. ⭐ [5k stars](https://github.com/plasmicapp/plasmic)

- [ReactPlay](https://reactplay.io) is a **React code editor** that allows you to write and preview React code in real time. It is a great tool for learning React, testing code, and creating demos. ⭐ [2k stars](https://github.com/reactplay/react-play)
- [Virtua](https://inokawa.github.io/virtua) is a zero-config, fast and small (~3kB) virtual list (and grid) component for React, Vue, Solid and Svelte. ⭐ [1.5k stars](https://github.com/inokawa/virtua)
- [React Aria Modal](https://davidtheclark.github.io/react-aria-modal/demo) is a fully accessible React modal component. ⭐ [1k stars](https://github.com/davidtheclark/react-aria-modal)

### React Components

- [Whatsapp Button](https://react-floating-whatsapp.vercel.app) is a Simple react component for adding a **floating WhatsApp button** to your project. ⭐ [GitHub](https://github.com/awran5/react-floating-whatsapp)

### React Hooks

- [React-hanger](https://codesandbox.io/s/44m70xm70) is a collection of utility hooks for React. ⭐ [2k stars](https://github.com/kitze/react-hanger)

## Vue

- [VeeValidate](https://vee-validate.logaretm.com/v4) is the most popular `Vue.js form` library. It takes care of value tracking, validation, errors, submissions and more. ⭐ [10.6k stars](https://github.com/logaretm/vee-validate)

## Starter Templates

- [Create T3](https://create.t3.gg) is the best way to start a full-stack, typesafe Next.js app. Simply run `npm create t3-app@latest`. T3 stack includes Next.js, tRPC, Tailwind CSS, TypeScript, Prisma, Drizzle, NextAuth.js. ⭐ [GitHub](https://github.com/t3-oss/create-t3-app)
- [Create React App](https://create-react-app.dev) is a tool to create React apps with no build configuration. Simply run `npx create-react-app my-app` ⭐ [102k stars](https://github.com/facebook/create-react-app)

## E-commerce

- [Evershop](https://evershop.io) is an Open-Source NodeJS Ecommerce Platform with essential commerce features. | Built with React, modular and fully customizable. ⭐ [3.3k stars](https://github.com/evershopcommerce/evershop)

## Colors

- [AI Colors](https://aicolors.co) is a tool to generate color palettes **using AI**.
- [Coolors](https://coolors.co) is a tool to generate color palettes.

## Contrast Checker

- [Contrast Coolors](https://coolors.co/contrast-checker) is a tool to check the contrast of text and background colors.
- [Colorable](https://colorable.jxnblk.com) is a tool to check the contrast of text and background colors. ⭐ [2k stars](https://github.com/jxnblk/colorable)

## CSS Games

- [CSS Grid Garden](https://cssgridgarden.com) is a game for learning CSS grid layout.
- [Flex Box Froggy](https://flexboxfroggy.com) is a game for learning CSS flexbox layout.
- [Flukeout](https://flukeout.github.io) is a game for learning CSS selectors.
- [Coding Fantasy](https://codingfantasy.com) is a game for learning CSS.

## CSS

- [Tachyons](https://tachyons.io) is a functional CSS toolkit. Quickly build and design new UI without writing CSS. ⭐ [12k stars](https://github.com/tachyons-css/tachyons)

## Low Code

1. [ToolJet](https://tooljet.io) Low-code platform for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, Google sheets, OpenAI, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. ⭐ [27k stars](https://github.com/ToolJet/ToolJet)
2. [Webflow](https://webflow.com) is a visual web development platform. ⭐ [GitHub](https://github.com/webflow)

# Backend

- [Awesome Python](https://awesome-python.com) is a curated list of awesome Python frameworks, libraries, software, and resources. ⭐ [201k stars](https://github.com/vinta/awesome-python)

1. [Amplication](https://amplication.com) is the Fastest Way in the World to Build Backend Services.πŸ”₯πŸ”₯πŸ”₯ Open-source backend development platform. Build production-ready services without wasting time on repetitive coding. ⭐ [13.3k stars](https://github.com/amplication/amplication)

## Programming Languages & Runtime Environments

- [Deno](https://deno.land) is a modern runtime for JavaScript and TypeScript. ⭐ [93k stars](https://github.com/denoland/deno)
- [Go](https://go.dev) is an open-source programming language that makes it easy to build simple, reliable, and efficient software. ⭐ [120.1k stars](https://github.com/golang/go)
- [Elixir](https://elixir-lang.org) is a dynamic, functional language for building scalable and maintainable applications. ⭐ [23.4k stars](https://github.com/elixir-lang/elixir)
- [Rust](https://www.rust-lang.org) is a language empowering everyone to build reliable and efficient software. ⭐ [93.5k stars](https://github.com/rust-lang/rust)
- [Scala](https://www.scala-lang.org) is a modern multi-paradigm programming language designed to express common programming patterns in a concise, elegant, and type-safe way. ⭐ [14.3k stars](https://github.com/scala/scala)
- [Python](https://www.python.org) is a programming language that lets you work quickly and integrate systems more effectively. ⭐ [201k stars](https://github.com/python)
- [Ruby](https://www.ruby-lang.org/en) is a dynamic, open-source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. ⭐ [21.6k stars](https://github.com/ruby/ruby)

## Server-Side Scripting Language

- [PHP](https://www.php.net) is a popular general-purpose scripting language that is especially suited to web development. ⭐ [GitHub](https://github.com/php)

## Top 10 Backend Frameworks

1. [Laravel](https://laravel.com) is a PHP web application framework with expressive, elegant syntax, intended for the development of web applications following the model–view–controller (MVC) architectural pattern. ⭐ [77k stars](https://github.com/laravel/laravel)
2. [Django](https://www.djangoproject.com) is a high-level Python web framework that encourages rapid development and clean, pragmatic design. ⭐ [77.1k stars](https://github.com/django/django)
3. [Spring Boot](https://spring.io/projects/spring-boot) is an open-source Java-based framework used to create micro-services. It is developed by Pivotal Team and is used to build stand-alone and production-ready spring applications. ⭐ [73.1k stars](https://github.com/spring-projects/spring-boot)
4. [Flask](https://flask.palletsprojects.com) is a lightweight WSGI web application framework. It is a `micro web framework` written in Python. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. ⭐ [66.5k stars](https://github.com/pallets/flask)
5. [NestJS](https://nestjs.com) is a framework for building efficient, scalable Node.js server-side applications. It uses progressive JavaScript, is built with TypeScript (preserves compatibility with pure JavaScript) and combines elements of OOP (Object Oriented Programming), FP (Functional Programming), and FRP (Functional Reactive Programming). ⭐ [65k stars](https://github.com/nestjs/nest)
6. [Express.js](https://expressjs.com) is a minimal and flexible Node.js web application framework, designed for building web applications and APIs. ⭐ [64k stars](https://github.com/expressjs/express)
7. [Ruby on Rails](https://rubyonrails.org) is a server-side web application framework written in Ruby under the MIT License. Rails is a model–view–controller (MVC) framework, providing default structures for a database, a web service, and web pages. ⭐ [55k stars](https://github.com/rails/rails)
8. [Koa.js](https://koajs.com) is a new web framework designed by the team behind Express, which aims to be a smaller, more expressive, and more robust foundation for web applications and APIs. By leveraging async functions, Koa allows you to ditch callbacks and greatly increase error-handling. ⭐ [35k stars](https://github.com/koajs/koa)
9. [Phoenix](https://www.phoenixframework.org) is a web development framework written in Elixir which implements the server-side Model-View-Controller (MVC) pattern. ⭐ [20.7k stars](https://github.com/phoenixframework/phoenix)
10. [ASP.NET Core](https://dotnet.microsoft.com/learn/aspnet/what-is-aspnet-core) is a free and open-source web framework developed by Microsoft for building modern internet-connected applications. It is a modular framework that runs on both the full .NET Framework, on Windows, and the cross-platform .NET Core. ⭐ [12.4k stars](https://github.com/dotnet/AspNetCore.Docs)

## Backend Tools

- [Biome.js](https://biomejs.dev) is a `toolchain for web projects`, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP. ⭐ [19k stars](https://github.com/biomejs/biome)
- [Format.js](https://formatjs.io) is the monorepo home to all of the FormatJS related libraries, most notably react-intl. ⭐ [14k stars](https://github.com/formatjs/formatjs?tab=readme-ov-file)
- [Orama](https://docs.askorama.ai) - 🌌 Fast, dependency-free, full-text and vector search engine with typo tolerance, filters, facets, stemming, and more. Works with any JavaScript runtime, browser, server, service! ⭐ [8k stars](https://github.com/askorama/orama)
- [flagsmith](https://www.flagsmith.com) is an open-source, fully supported, Feature Flag and Remote Config service. Use our hosted API, deploy to your own private cloud, or run on-premise. ⭐ [4.5k stars](https://github.com/Flagsmith/flagsmith)

## Serverless Frameworks

- [Serverless Stack](https://serverless-stack.com) is a comprehensive guide to creating full-stack serverless applications. ⭐ [20k stars](https://github.com/sst/sst)
- [Serverless](https://www.serverless.com) Framework – Build web, mobile and IoT applications with serverless architectures using AWS Lambda, Azure Functions, Google CloudFunctions & more! ⭐ [46k stars](https://github.com/serverless/serverless)

## Web Framework

- [Fastify](https://www.fastify.io) is a fast and low overhead web framework, for Node.js. ⭐ [30.5k stars](https://github.com/fastify/fastify)

## Logging Framework

- [Pino.js](https://getpino.io) is a super fast, all natural Node.js logger. ⭐ [13.2k stars](https://github.com/pinojs/pino)

## Node.js

- [Piscina.js](https://github.com/piscinajs/piscina) is a fast, efficient Node.js Worker Thread Pool implementation

# APIs & Services

#### **Development Tools**

API Development & Testing Tools

- [Hoppscotch](https://hoppscotch.io) is a lightweight, fast, and customizable app for testing and designing APIs. A free, fast, and beautiful `API request builder`. ⭐ [61k stars](https://github.com/hoppscotch/hoppscotch)
- [HTTPie](https://httpie.io) is a free command-line HTTP client for the API era. It's a user-friendly cURL alternative. HTTPie is making APIs simple and intuitive for those building the tools of our time. ⭐ [32.5k stars](https://github.com/httpie/cli)
- [Insomnia](https://insomnia.rest) is a free API client that allows you to design, debug, test, and mock APIs locally, on Git, or cloud. ⭐ [33.5k stars](https://github.com/Kong/insomnia)
- [tRPC](https://trpc.io) Move Fast and Break Nothing. End-to-end typesafe APIs made easy. ⭐ [32.3k stars](https://github.com/trpc/trpc)
- [Bruno](https://www.usebruno.com) is a Fast and Git-Friendly Open-source API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.⭐ [21k stars](https://github.com/usebruno/bruno)
- [Postman](https://postman.com) is a simplify workflows and create better APIs – faster – with Postman, a collaboration platform for API development. Use the Postman App for free forever. Postman cloud features are also free forever with certain limits. ⭐ [6k stars](https://github.com/postmanlabs/postman-app-support)
- [Thunder Client](https://thunderclient.com) is a free API client for `VS Code`. It's a lightweight, fast, and easy-to-use REST client. ⭐ [3.6k stars](https://github.com/thunderclient/thunder-client-support)
- [Yaak](https://yaak.app) is a cross-platform desktop app for interacting with REST, GraphQL, and gRPC. It's a Postman alternative to try your APIs.
- [Firecamp](https://firecamp.io) is a free API tool for `API testing, debugging, monitoring, and automation`. ⭐ [1.7k stars](https://github.com/firecamp-dev/firecamp)
- [Nightingale](https://nightingale.rest) A modern, resource-friendly REST client for Windows 10. ⭐ [723 stars](https://github.com/jenius-apps/nightingale-rest-api-client)
- [Apidog](https://apidog.com) is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.

API Monitoring & Debugging

- [PipeDream](https://pipedream.com/requestbin) allow you to `create a free endpoint` to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated payload and headers so you can observe recommendations from webhooks and other services. ⭐ [8.5k stars](https://github.com/PipedreamHQ/pipedream)
- [CurlHub](https://curlhub.io) is a `proxy service` for inspecting and debugging API calls. The free plan includes 10,000 requests per month. ⭐ [GitHub](https://github.com/curlhub/curlhub)
- [API Toolkit](https://apitoolkit.io) - All the tools you need to fully understand what's going on in your APIs and Backends. With automatic API contract validation and monitoring. The free plan covers servers with up to 20,000 requests per month.

Documentation Tools

- [API Toolkit](https://apitoolkit.io) - All the tools you need to fully understand what's going on in your APIs and Backends. With automatic API contract validation and monitoring. The free plan covers servers with up to 20,000 requests per month.

Web Development & Document Generation

- [Doczilla](https://www.doczilla.app) is a SaaS API empowering the generation of screenshots or PDFs directly from HTML/CSS/JS code. The free plan allows 250 documents month.
- [Doppio](https://doppio.sh) is a fully managed API to generate and privately store documents and screenshots using top rendering technology. The free plan allows 400 PDFs and Screenshots per month.
- [Geekflare API](https://geekflare.com/api) lets you take screenshots, audit websites, TLS scan, DNS lookup, test TTFB, and more. The free plan offers 3,000 API requests.
- [Glitterly](https://glitterly.app) is a tool to generate dynamic images from base templates. Restful API and nocode integrations. The free tier comes with 50 images/month and five templates.
- [Wrap Api](https://wrapapi.com) `turns any website into a parameterized API`. 30k API calls per month.
- [Render API](https://docs.render.com/api) provides a public REST API for managing your services and other resources programmatically. ⭐ [GitHub](https://github.com/renderinc)
- [Colab](https://colab.research.google.com) is a free Jupyter notebook (Python) environment that requires no setup and runs entirely in the cloud. It includes free GPU and TPU.

Webhooks

- [Hook0](https://www.hook0.com) is an open-source Webhooks-as-a-service (WaaS) that makes it easy for online products to provide webhooks. Dispatch up to 3,000 events/month with seven days of history retention for free.
- [Svix](https://www.svix.com) is a `webhooks as a Service`. Build a secure, reliable, and scalable webhook sending platform using the Svix webhook service. Send up to 50,000 messages/month for free.

#### **Data & Testing New!**

Test Data Generation

- [Fakerjs](https://fakerjs.dev) is a tool to generate massive amounts of `fake data` in the browser and node.js. ⭐ [11.5k stars](https://github.com/faker-js/faker)
- [DummyJSON](https://dummyjson.com) is a tool to generate massive amounts of `fake data` in the browser and node.js. ⭐ [1.3k stars](https://github.com/Ovi/DummyJSON)
- [Random User Generator](https://randomuser.me) is a free, open-source API for generating random user data. Like Lorem Ipsum, but for people. ⭐ [1.3k stars](https://github.com/RandomAPI/Randomuser.me-Node)
- [Random Data](https://random-data-api.com) is a free API for random fake data. It does not require any authentication.

API Mocking & Testing

- [Retool](https://retool.com/api-generator) is a `REST API Generator`. A tool to generate `fake data` for testing and development. Generate a custom dataset that you can read and write to via a REST API.
- [Beeceptor](https://beeceptor.com) is a Rest API mocking and intercepting in seconds. Replace the endpoint in the code and you are ready. It's that simple! Mock a rest API in seconds, fake API response and much more. Free 50 requests per day, public dashboard, open endpoints (anyone with a dashboard link can view submissions and answers).
- [Microenv](https://microenv.com) allow you to `create fake REST API` for developers with the possibility to generate code and app in a docker container.

Database

- [Pantry](https://getpantry.cloud) is a free API for hosting small pieces of data. It let you setup a small database in seconds. 100 mb of JSON storage. It's like TinyDB but in the cloud.

Diagram Creation

- [kroki](https://kroki.io) is a free API for `creating diagrams`. The free plan includes 1,000 requests per month.

Document Management

- [Google Docs](https://developers.google.com/docs/api) is a free API that lets you connect your app to Google Docs. Convert your docs into JSON.

Machine Learning

- [ollama](https://ollama.com) let's you run LLM (Large Language Models) on your own machine. It's like OpenAI's GPT-3 but on your own machine. It's free and open-source. It comes with an API that you can listen to through localhost. ⭐ [64.8k stars](https://github.com/ollama/ollama)
- [Deepgram AI API](https://www.deepgram.com) is a free API for `speech recognition`. The API provides access to `speech-to-text`, audio transcription, and more.

Data Processing and Migration

- [SmartParse](https://smartparse.io) is a data migration and CSV to API platform that offers time- and cost-saving developer tools. The Free tier includes: Up to 300 processing units, Browser uploads, Data quarantining, Circuit breakers and Job Alerts.

Data Extraction and Processing

- [OCR Space](https://ocr.space) is a free `OCR API` parses image and pdf files that return the text results in JSON format. Twenty-five thousand requests per month are free.
- [Parse Hub](https://parsehub.com) β€” Extract data from dynamic sites, turn dynamic websites into APIs, five projects free.
- [Mindee](https://developers.mindee.com/docs) is a powerful `OCR software` and an API-first platform that helps developers automate applications' workflows by standardizing the document processing layer through data recognition for key information using computer vision and machine learning. The free tier offers 250 pages per month.

Data as a Service (DaaS)

- [Sheetson](https://sheetson.com) instantly `turn any Google Sheets into a RESTful API`. Free plan available.
- [SofoData](https://www.sofodata.com) let you `create secure RESTful APIs from CSV files`. Upload a CSV file and instantly access the data via its API allowing faster application development. The free plan includes 2 APIs and 2,500 API calls per month. You don't need a credit card.

RESTful APIs

- [Wordpress API](https://developer.wordpress.org/rest-api) is a free API for WordPress. The API provides access to posts, pages, comments, taxonomies, and more.
- [Commerce Layer](https://commercelayer.io) is a composable `commerce API` that can build, place, and manage orders from any front end. The developer plan allows 100 orders per month and up to 1,000 SKUs for free.

#### **Geolocation**

- [Big Data Cloud](https://www.bigdatacloud.com) provides fast, accurate, and free (Unlimited or up to 10K-50K/month) APIs for modern web like IP Geolocation, Reverse Geocoding, Networking Insights, Email and Phone Validation, Client Info and more.
- [Country State City API](https://countrystatecity.in) is a free API to get country, state, and city details. ⭐ [6.3k stars](https://github.com/dr5hn/countries-states-cities-database)
- [DB-IP](https://db-ip.com/api/free) is a free IP geolocation API with 1k request per IP per day.lite database under the CC-BY 4.0 License is free too.
- [Flags API](https://flagsapi.com) is a free API to get country flags. ⭐ [GitHub]()
- [GeoCod](https://geocode.xyz) is a Free `geocoding API`: Convert postal addresses into geographic coordinates or convert geographic coordinates into postal addresses (reverse geocoding).
- [GeoDB Cities API](http://geodb-cities-api.wirefreethought.com) is an online places database. It exposes city, county, island, region, and country data via both GraphQL and REST APIs.
- [GeoDataSource](https://www.geodatasource.com) Location Search Web Service is a REST API to lookup for city name by using latitude and longitude coordinate. It will return the result in either JSON or XML containing the information of the nearest country, region, city, latitude, longitude, currency code, and more. Free API queries up to 500 times per month.
- [IP Geolocation API](https://ipgeolocation.io) is a free IP geolocation API. ⭐ [GitHub]()
- [IP Api.co](https://ipapi.co) is a reliable `geolocation API` built on AWS, trusted by Fortune 500. The free tier offers 30k lookups/month (1k/day) without signup. ⭐ [GitHub](https://github.com/ipapi-co/ipapi-co.github.io)
- [IP City](https://ip.city) is a free IP Geolocation API. 100 Free requests per day.
- [IP Base](https://ipbase.com) is a IP geolocation API. Free forever that spans 150 monthly requests.
- [IP Geolocation](https://ipgeolocation.io) is the `Best IP Geolocation API`. Forever free plan for developers with 30k requests per month (1k/day) limit.
- [IP Geolocation API](https://www.abstractapi.com/ip-geolocation-api) is a IP geolocation API from Abstract - Extensive free plan allowing 20,000 monthly requests.
- [IP 2 Location](https://www.ip2location.com) is a freemium `IP geolocation and Proxy detection` service. LITE database is available for free download. Import the database in the server and perform a local query to determine the city, coordinates, and ISP information.
- [IP2Location.io](https://www.ip2location.io) is a Freemium, fast and reliable IP geolocation API to determine geolocation data like city, coordinates, ISP, etc. The free plan is available with 30k credits per month. Subscribe to paid plans for more advanced features or contact us for a personalized plan.
- [IP info](https://ipinfo.io) is a fast, accurate, and free (up to 50k/month) `IP address data API`. Offers APIs with details on geolocation, companies, carriers, IP ranges, domains, abuse contacts, and more. All paid APIs can be trialed for free.
- [IPify](https://www.ipify.org) is a simple public IP address API.
- [IP-Api](https://ip-api.com) is an IP geolocation API, Free for non-commercial use, no API key required, limited to 45 req/minute from the same IP address for the free plan.
- [Rest Countries](https://restcountries.com) is a free API to get information about countries.
- [JSON IP](https://getjsonip.com) is a free unlimited `IP address and geolocation API`. Returns the Public IP address of the client it is requested from. No registration is required for the free tier. Using CORS, data can be requested using client-side JS directly from the browser. Useful for services monitoring change in client and server IPs. Unlimited Requests.
- [Zipcodebase](https://zipcodebase.com) is a free `Zip Code API`, access to Worldwide Postal Code Data. Ten thousand free requests/month.
- [Zipcodestack](https://zipcodestack.com) is a free `Zip Code API and Postal Code Validation`. Ten thousand free requests/month.

#### **Collections**

- [Abstract API](https://www.abstractapi.com) is a collection for various use cases, including IP geolocation, gender detection, or email validation.
- [Public APIs](https://publicapis.dev) is a `collection of free public APIs`. ⭐ [2.6k stars](https://github.com/marcelscruz/public-apis)
- [Public-api-lists](https://public-api-lists.github.io/public-api-lists) is a collective list of free APIs for use in software and web development. ⭐ [9.6k stars](https://github.com/public-api-lists/public-api-lists)
- [Free APIs](https://free-apis.github.io) is `collection of free APIs` derived from [Public APIs](https://github.com/public-apis/public-apis) ⭐ [286k stars](https://github.com/public-apis/public-apis) ⭐ [196k stars](https://github.com/Free-APIs/Free-APIs.github.io)
- [Rapid api](https://rapidapi.com) is the world’s Largest API Hub Millions of developers find and connect to thousands of APIs, API Development using fun challenges (with solutions!) and interactive examples.
- [OpenWeb Ninja](https://www.openwebninja.com) - Extremely comprehensive real-time SERP and public data APIs: Google Search, Shopping, Jobs, Images, Lens, News, Google Maps Businesses / Places, Reviews, Photos, Website Emails and Social Contacts Scraper, Amazon, Yelp and more. All APIs include a free tier with 100 to 200 free monthly requests.
- [Apislist](https://apislist.com) is a collection of free APIs. Curated Playground for the Best Public Web APIs!

#### **Entertainment New!**

Social

- [Discord](https://discord.com/developers/docs/intro) is a free API for Discord.

Video and Streaming

- [Youtube API](https://developers.google.com/youtube) is a free API for YouTube.
- [Watchmode](https://api.watchmode.com) is a freemium API for `movies and TV shows`. The free plan includes 1000 requests per month.
- [The Movie DB API](https://www.themoviedb.org/documentation/api) is a free API for `movies`. The API provides access to movies, TV shows, actors, and more. It's like IMDB but not owned by Amazon. Free for non-commercial use.

Gaming

- [IGDB](https://www.igdb.com/api) is a free API for `video games`. The API is free for both non-commercial and commercial projects.
- [Call Of Duty API](https://codapi.dev) Unofficial wrapper for the Call of Duty API. ⭐ [GitHub](https://github.com/Lierrmm/Node-CallOfDuty)

Events and Music

- [TicketMaster](https://developer.ticketmaster.com/products-and-docs/apis/getting-started) is a free API for `events`. The API provides access to events, attractions, venues, classifications, and more. The free plan includes 500 requests per month.
- [Spotify API](https://developer.spotify.com/documentation/web-api) is a free API for Spotify. The API provides access to music, albums, playlists, artists, and more.
- [Podcast Index](https://podcastindex.org) is a free API for podcasts. The API provides access to podcasts, episodes, and more.

Media

- [Clarifai](https://www.clarifai.com) is an `image API` for custom face recognition and detection. Able to train AI models. The free plan has 5,000 calls per month.
- [Unsplash API](https://unsplash.com/developers) is a free API for high-quality, curated photos.
- [Waifu.pics](https://waifu.pics), [Waifu API](https://www.waifu.im), [Waifu.it](https://waifu.it) are some popular free `anime waifus API`.

Fun and Miscellaneous

- [Deck of Cards](https://deckofcardsapi.com) is an API to simulate a deck of cards. The API provides access to a deck of cards.
- [Bored API](https://bored.api.lewagon.com) is a free API for `random activities`. The API provides access to random activities.
- [Dragon Ball API](https://web.dragonball-api.com) is a free API for `Dragon Ball`. The API provides access to characters and more.

#### **Scraping**

- [Apify](https://www.apify.com) is the platform where developers build, deploy, and publish web scraping, data extraction, and web automation tools. Ready-made scrapers, integrated proxies, and custom solutions. Free plan with $5 platform credits included every month.
- [Browser Cat](https://www.browsercat.com) is a headless browser API for automation, scraping, AI agent web access, image/pdf generation, and more. Free plan with 1k requests per month.
- [Microlink](https://microlink.io) is a fast, scalable, and reliable high-level API to control a headless browser built for businesses and developers. It `turns any website into data` such as metatags normalization, beauty link previews, scraping capabilities, or screenshots as a service. One hundred reqs/day, every day free.
- [SerpApi](https://serpapi.com) - Real-time search engine `scraping API`. Returns structured JSON results for Google, YouTube, Bing, Baidu, Walmart, and many other machines. The free plan includes 100 successful API calls per month.
- [ScraperBox](https://scraperbox.com) is an undetectable `web scraping API` using real Chrome browsers and proxy rotation. Use a simple API call to scrape any web page. The free plan has 1000 requests per month.
- [ScrapingDog](https://scrapingdog.com) handles millions of proxies, browsers, and CAPTCHAs to provide you with the HTML of any web page in a single API call. It also includes Web Scraper for Chrome & Firefox and software for instant scraping demand. Free plans are available.
- [ZenRows](https://www.zenrows.com) is a `web scraping API & proxy server` that bypasses any anti-bot solution while offering javascript rendering, rotating proxies, and geotargeting. The free tier of 1000 API calls.
- [Zenscrape](https://zenscrape.com/web-scraping-api) is a `web scraping API` with headless browsers, residentials IPs, and straightforward pricing. One thousand free API calls/month and extra credits for students and non-profits.

#### **Mocking**

- [Mockae](https://mockae.com) is an open-source fake API that uses Lua to generate dynamic, custom HTTP responses for mocking HTTP requests. ⭐ [GitHub](https://github.com/cyrilbois/mockae).
- [Mockfly](https://www.mockfly.dev) is a trusted development tool for `API mocking and feature flag management`. Quickly generate and control mock APIs with an intuitive interface. The free tier offers 500 requests per day.
- [Mocki](https://mocki.io) is a tool that lets you create mock GraphQL and REST APIs synced to a GitHub repository. Simple REST APIs are free to develop and use without signup.
- [Mocko](https://mocko.dev) Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integration tests.
- [Mocky](https://designer.mocky.io) is a simple web app to generate custom HTTP responses for mocking HTTP requests. Also available as [open source](https://github.com/julien-lafont/Mocky).
- [Reqres](https://reqres.in) is a free `hosted REST-API` ready to respond to your AJAX requests.

#### **Finance**

- [Alpha Vantage](https://www.alphavantage.co) is a free API for `stock market data`. The API provides access to real-time and historical stock data. The free plan includes 25 requests per day.
- [Canopy](https://www.canopyapi.co) is a GraphQL API for Amazon product, search, reviews, sales and category data. The free plan includes 100 calls per month.
- [Currency Beacon](https://currencybeacon.com) is a realtime `currency and Forex Exchange Rate API` for fintech apps. The free plan includes 5,000 calls per month.
- [Foreign Rates API](https://www.exchangerate-api.com) is a free API for foreign exchange rates. The free plan includes 1,500 requests per month.

#### **Weather**

- [Open Weather API](https://openweathermap.org/api) is a free API for weather. The API provides access to current weather data, forecasts, and historical data. The free plan includes 1,000 API calls per day.
- [Meteo Source](https://www.meteosource.com) is a `global weather API` for current and forecasted weather data. Forecasts are based on a machine learning combination of more weather models to achieve better accuracy. The free plan comes with 400 calls per day.

#### **Specialized APIs**

Countries & Geopolitical Data

- [API COLOMBIA](https://api-colombia.com) is a public api that contains info about Colombia, departments, cities, tourists places and presidents. ⭐ [GitHub](https://github.com/Mteheran/api-colombia)
- [Rest Countries](https://restcountries.com) is a free API to get information about countries.

Security & Threat Intelligence

- [IntelOwl's](https://intelowlproject.github.io) is a free API for `threat intelligence`. The API provides access to threat intelligence data. ⭐ [3.2k stars](https://github.com/intelowlproject/IntelOwl)

News & Media

- [World News](https://newsapi.org), [World News API](https://worldnewsapi.com) are free API for news. The World News API gives you access to thousands of news sources in over 50 languages from over 150 countries. News are semantically tagged allowing for semantic news search like never before.
- [News API](https://newsapi.org) β€” Search news on the web with code, and get JSON results. Developers get 3,000 queries free each month.

Language & Text Processing

- [Free Dictionary API](https://dictionaryapi.dev) is a free API for `dictionary`. The API provides access to definitions, synonyms, antonyms, translations, and more. ⭐ [GitHub](https://github.com/meetDeveloper/freeDictionaryAPI)
- [Zen Quotes](https://zenquotes.io) is a free API for `quotes`.

Validation & Verification

- [Mailbox Validator](https://www.mailboxvalidator.com) is an `email verification service` using real mail server connection to confirm valid email. The free API plan has 300 verifications per month.
- [Vatcheckapi](https://vatcheckapi.com) is a simple and free `VAT number validation API`. Five hundred free requests per month.
- [Numlookupapi](https://numlookupapi.com) is a free and reliable `phone number validation API` - 100k free requests / month.

Health & Medical

- [Disease](https://disease.sh) is a free API for Current cases and more stuff about COVID-19 and Influenza.

Food & Nutrition

- [Open Food Facts](https://world.openfoodfacts.org) is a free API for `food products`. The API provides access to food products, ingredients, and more.

PDF

- [API Template](https://apitemplate.io) allow you to `auto-generate images` and `PDF documents` with a simple API or automation tools like Zapier & Airtable. No CSS/HTML is required. The free plan comes with 50 images/month and three templates.
- [Advicement](https://advicement.io) helps you `generate PDF documents with JSON to PDF API` based on LaTeX templates. The free plan allows 50 API calls per month and access to a library of templates.
- [Export SDK](https://exportsdk.com) is a `PDF generator API` with drag-and-drop template editor that provides an SDK and no-code integrations. The free plan has 250 monthly pages, unlimited users, and three templates.
- [PDF-API](https://pdf-api.io) is a `PDF Automation API`, visual template editor or HTML to PDF, dynamic data integration, and PDF rendering with an API. The free plan comes with one template, 100 PDFs/month.
- [Gotenberg](https://gotenberg.dev) is a `Docker-powered stateless API for converting HTML, Markdown, LaTeX, Office documents, and images to PDF`. The free plan includes 1000 requests per month. ⭐ [7.1k stars](https://github.com/gotenberg/gotenberg)

Email

- [Resend (for emails)](https://resend.com) is an API for sending emails. The free plan includes 100 emails per day or up to 3,000 emails a month.

Error Codes

- [HTTP Status Dogs](https://httpstatusdogs.com) is a free API for `HTTP status codes`. HTTP status codes are boring but not with HTTP Status Dogs. It returns images of dogs for each HTTP status code to make it easier to understand and remember.

General Purpose

- [Cloudmersive](https://cloudmersive.com) is a `utility API` platform with full access to expansive API Library including Document Conversion, Virus Scanning, and more with 800 calls/month.

Dates

- [Calendarific](https://calendarific.com) is a developer-friendly, worldwide RESTful API giving you access to public, local & bank holidays and observances; and spanning over 230 countries, 3,300+ states and 100+ languages. The free plan includes 1,000 calls per month.
- [DigiDates](https://digidates.de) provides a REST API for time and date calculations. Access to the API is free of charge and currently without limitation.

Open Source Tools

- [Dream Factory](https://dreamfactory.com) is an open source REST API backend for mobile, web, and IoT applications. Hook up any SQL/NoSQL database, file storage system, or external service, and it instantly creates a comprehensive REST API platform with live documentation and user management.

Fraud Detection

- [FraudLabs Pro](https://www.fraudlabspro.com) provides an advanced fraud prevention solution that helps protect your online business from payment fraud (also known as CNP fraud). Screen an order transaction for credit card payment fraud. This REST API will detect all possible fraud traits based on the input parameters of an order. The Free Micro plan has 500 transactions per month.

gRPC

- [Kreya](https://kreya.app) is a free cross-platform GUI tool that helps you `build and test gRPC APIs` faster. Can import gRPC APIs via server reflection.

No-Code

- [Fern](https://buildwithfern.com) is a `no-code API builder` that allows you to create APIs from Google Sheets, Airtable, and other sources. The free plan includes 1000 API calls per month. Use your API definition to generate SDKs in popular languages, and generate API reference documentation webpages. Add Markdown pages to your API reference and host them with Fern for a full documentation solution. OpenAPI fully supported.

API Design

- [OpenAPI3 Designer](https://openapidesigner.com) β€” Visually create Open API 3 definitions for free.

API Management

- [Kong](https://konghq.com) is a unified API platform that helps you manage, secure, and run APIs across any cloud, team, gateway, protocol, or architecture. in other workds, an `API Marketplace` and powerful private and public API tools. With the free tier, some features such as monitoring, alerting, and support, are limited.
- [Zuplo](https://zuplo.com) allow you to `add API Key authentication, rate limiting, and developer documentation to any API` in minutes. The free plan offers up to 10 projects, unlimited production edge environments, 250 API keys, 100K monthly requests, and 1GB egress.

Others

- [OpenSky Network](https://opensky-network.org) is a free API for `air traffic`. It lets you track flights in real-time. The API provides access to flights, airports, and more.
- [Pixela](https://pixe.la) - Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.

# Machine Learning

- [Arize AI](https://arize.com) - Machine learning observability for model monitoring and root-causing issues such as data quality and performance drift. Free up to two models.
- [Bigml](https://bigml.com) β€” Hosted machine learning algorithms. Unlimited free tasks for development, limit of 16 MB data/task.
- [Comet](https://www.comet.com/site) - The MLOps platform for experiment tracking, model production management, model registry, and complete data lineage, covering your workflow from training to production. Free for individuals and academics.
- [Efemarai](https://efemarai.com) - Testing and debugging platform for ML models and data. Visualize any computational graph. Free 30 debugging sessions per month for developers.
- [Lightly](https://www.lightly.ai) β€” Improve your machine-learning models by using the correct data. Use datasets of up to 1000 samples for free.
- [Monkey learn](https://monkeylearn.com) β€” Text analysis with machine learning, free 300 queries/month.
- [Neptune](https://neptune.ai) is a lightweight component that works with any MLOps stack. It helps you track, compare, monitor, and share your ML experiments and models with flexible Python. Log, store, display, organize, compare, and query all your MLOps metadata. Free for individuals: 1 member, 100 GB of metadata storage, 200h of monitoring/month
- [Nyckel](https://www.nyckel.com) β€” Train, deploy, and invoke image and text ML models. Free training with up to 5,000 pieces of training data. 1000 model invokes per month free.
- [Preset Cloud](https://preset.io) is a `hosted Apache Superset` service. Forever free for teams of up to 5 users, featuring unlimited dashboards and charts, a no-code chart builder, and a collaborative SQL editor.
- [PromptLeo](https://promptleo.com) - Prompt engineering platform for creators and developers. It offers a prompt engineering library, forms, and API. The free plan provides one prompt formation, one prompt API endpoint, and 30 generations per month.
- [PromptLoop](https://www.promptloop.com) - Use AI and large language models like GPT-3 with a simple spreadsheet formula to transform, comprehend, and analyze text in Google Sheets. The first 2,000 credits are free each month.
- [Supportivekoala](https://supportivekoala.com) β€” Allows you to autogenerate images by your input via templates. The free plan allows you to create up to 100 images per week.
- [Roboflow](https://roboflow.com) - create and deploy a custom computer vision model with no prior machine learning experience required. The free tier includes up to 1,000 free source images.
- [ROBOHASH](https://robohash.org) - Web service to generate unique and cool images from any text.
- [Weights & Biases](https://wandb.ai) β€” The developer-first MLOps platform. Build better models faster with experiment tracking, dataset versioning, and model management. Free tier for personal projects only, with 100 GB of storage included.
- [Wit.ai](https://wit.ai) β€” NLP for developers.
- [Wolfram](https://wolfram.com/language) β€” Built-in knowledge-based algorithms in the cloud.
- [What The Diff](https://whatthediff.ai) an AI-powered code review assistant. The free plan has a limit of 25,000 monthly tokens (~10 PRs).
- [Tavily AI](https://tavily.com) Search API is a search engine optimized for LLMs and RAG, aimed at efficient, quick and persistent search results. 1000 request/month for the Free tier with No credit card required.

## GUI toolkits

- [Atlas toolkit](https://atlastk.org) - Lightweight library to develop single-page web applications that are instantly accessible. Available for Java, Node.js, Perl, Python, and Ruby.

## Data

- [Browse AI](https://www.browse.ai) β€” Extracting and monitoring data on the web. Fifty credits per month for free.
- [Coupler](https://www.coupler.io) - Data integration tool that syncs between apps. It can create live dashboards and reports, transform and manipulate values, and collect and back up insights. The free plan has unlimited users, 100 runs with 1000 monthly rows, and unlimited integrations.
- [Data Dead Drop](https://datadeaddrop.com) - Simple, free file sharing. Data self-destroys after access. Upload and download data via the browser or your favorite command line client.
- [Data Fetcher](https://datafetcher.com) - Connect Airtable to any application or API with no code. Postman-like interface for running API requests in Airtable. Pre-built integrations with dozens of apps. The free plan includes 100 runs per month.
- [Dataimporter](https://www.dataimporter.io) - Tool for connecting, cleaning, and importing data into Salesforce. Free Plan includes up to 20,000 records per month.
- [Datalore](https://datalore.jetbrains.com) - Python notebooks by Jetbrains. Includes 10 GB of storage and 120 hours of runtime each month.
- [Data Miner](https://dataminer.io) - A browser extension (Google Chrome, MS Edge) for data extraction from web pages CSV or Excel. The free plan gives you 500 pages/month.
- [Datapane](https://datapane.com) - API for building interactive reports in Python and deploying Python scripts and Jupyter Notebooks as self-service tools.
- [DB Designer](https://www.dbdesigner.net) β€” Cloud-based Database schema design and modeling tool with a free starter plan of 2 Database models and ten tables per model.
- [Deepnote](https://deepnote.com) - A new data science notebook. Jupyter is compatible with real-time collaboration and running in the cloud. The free tier includes unlimited personal projects, up to 750 hours of standard hardware, and teams with up to 3 editors.
- [Diggernaut](https://www.diggernaut.com) β€” Cloud-based web scraping and data extraction platform for turning any website to the dataset or working with it as an API. The free plan includes 5K page requests monthly.
- [Hex](https://hex.tech) - a collaborative data platform for notebooks, data apps, and knowledge libraries. Free community version with up to 3 authors and five projects. One compute profile per author with 4GB RAM.
- [Observable](https://observablehq.com) β€” a place to create, collaborate, and learn with data. Free: Unlimited notebooks, Unlimited publishing, Five editors per notebook.
- [Prefect Cloud](https://www.prefect.io/cloud) is a workflow orchestration tool empowering developers to build, observe, and react to data pipelines. it's a complete platform for dataflow automation. All plans include 20,000 free runs every month. That's enough to power ETL for most small businesses.
- [Crawlbase](https://crawlbase.com) β€” Crawl and scrape websites without proxies, infrastructure, or browsers. We solve captchas for you and prevent you from being blocked. The first 1000 calls are free of charge.
- [SaturnCloud](https://saturncloud.io) - Data science cloud environment that allows running Jupyter notebooks and Dask clusters. Thirty hours of free computation and 3 hours of Dask per month.
- [Simplescraper](https://simplescraper.io) β€” Trigger your webhook after each operation. The free plan includes 100 cloud scrape credits.
- [Select Star](https://www.selectstar.com) - is an intelligent data discovery platform that automatically analyzes and documents your data. Free light tier with 1 Data Source, up to 100 Tables and 10 Users.
- [Shipyard](https://www.shipyardapp.com) β€” Low-code data orchestration platform for the cloud. Build with a mix of low-code templates and your code (Python, Node.js, Bash, SQL). Our free developer plan offers 10 hours of runtime every month for one user - more than enough to automate multiple workflows.

# Database & Data Management

## Database Management Systems

1. [Supabase](https://supabase.io) is an open-source Firebase alternative. ⭐ [65k stars](https://github.com/supabase/supabase)
2. [Redis](https://redis.io) is an `in-memory database` that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps. ⭐ [65k stars](https://github.com/redis/redis)
3. [Nocodb](https://nocodb.com) is an open source **Airtable Alternative** ⭐ [42k stars](https://github.com/nocodb/nocodb)
4. [Appwrite](https://appwrite.io) is a secure end-to-end backend server for Web, Mobile, and Flutter developers that is packaged as a set of Docker containers for easy deployment. ⭐ [40k stars](https://github.com/appwrite/appwrite)
5. [PocketBase](https://pocketbase.io) β†’ Open Source backend for your next SaaS and Mobile app in 1 file. ⭐ [33k stars](https://github.com/pocketbase/pocketbase)
6. [MongoDB](https://www.mongodb.com) is a general-purpose, document-based, distributed database built for modern application developers and for the cloud era. ⭐ [26k stars](https://github.com/mongodb/mongo)
7. [PostgreSQL](https://www.postgresql.org) is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance. ⭐ [15k stars](https://github.com/postgres/postgres)
8. [MySQL](https://www.mysql.com) is an open-source relational database management system. The world's most popular open-source database. ⭐ [10k stars](https://github.com/mysql/mysql-server)
9. [GraphQL](https://graphql.com) is the developer-friendly query language for the modern web. It transforms how apps fetch data from an API, enabling you to get exactly what you need with a single queryβ€”instead of wrangling responses from a patchwork of REST endpoints. ⭐ [10k stars](https://github.com/graphql-go/graphql)
10. [Apache Cassandra](https://cassandra.apache.org) is an Open Source NoSQL Database. β†’ Manage massive amounts of data, fast, without losing sleep. ⭐ [8.5k stars](https://github.com/apache/cassandra)
11. [Nhost](https://nhost.io) is an open-source backend and development platform that enables developers to build and scale their web and mobile apps. ⭐ [7.5k stars](https://github.com/nhost/nhost)
12. [SQLite](https://www.sqlite.org) is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine. ⭐ [5.5k stars](https://github.com/sqlite/sqlite)
13. [Amazon DynamoDB](https://aws.amazon.com/dynamodb) is a serverless, NoSQL, fully managed database service with single-digit millisecond response times at any scale, enabling you to develop and run modern applications while only paying for what you use. ⭐ [GitHub](https://github.com/aws-samples/aws-dynamodb-examples)
14. [MongoDB Atlas Device](https://www.mongodb.com/docs/realm) is a fully managed cloud database developed by the same people that build MongoDB. Atlas Device SDK is a mobile-first database designed for modern, data-driven applications.
15. [Oracle Database](https://www.oracle.com/database/technologies/appdev/xe.html#:~:text=Free%20Oracle%20Database%20for%20Everyone&text=You%20get%20an%20Oracle%20Database,and%20redistribute%20%E2%80%93%20all%20completely%20free!) is a free Oracle Database for Everyone. You get an Oracle Database to use, develop, test, and deploy applications. You can redistribute it – all completely free! ⭐ [GitHub](https://github.com/oracle)

## Authentication & Identity Management

- [Auth0](https://auth0.com) is a flexible, drop-in solution to add authentication and authorization services to your applications. ⭐ [GitHub](https://github.com/auth0/nextjs-auth0)
- [Firebase Auth](https://firebase.google.com) is a platform developed by Google for creating mobile and web applications. ⭐ [GitHub](https://github.com/firebase)
- [Clerk](https://clerk.dev) is a developer-first identity and user management platform. ⭐ [GitHub](https://github.com/clerk/javascript)
- [Supabase Auth](https://supabase.io) is an open-source Firebase alternative. ⭐ [GitHub](https://github.com/supabase/auth)
- [NextAuth.js / Auth.js](https://next-auth.js.org) is a complete open-source authentication solution for Next.js applications. ⭐ [22k stars](https://github.com/nextauthjs/next-auth)
- [Appwrite Auth](https://appwrite.io) is a secure end-to-end backend server for Web, Mobile, and Flutter developers that is packaged as a set of Docker containers for easy deployment. ⭐ [GitHub](https://github.com/appwrite/appwrite)
- [SuperTokens](https://supertokens.com) is an open-source alternative to Auth0/ Firebase Auth / AWS Cognito. ⭐ [12k stars](https://github.com/supertokens/supertokens-core)
- [Logto](https://logto.io) is an Auth0 alternative designed for modern apps and SaaS products. It offers a seamless developer experience and is well-suited for individuals and growing companies. ⭐ [7.5k stars](https://github.com/logto-io/logto)

## Headless CMS

- [Directus](https://directus.io) is an open-source headless CMS and API for custom databases. It decouples the content from the presentation layer, making it easy to manage and deliver content to any device or platform. Directus handles APIs, Auth, Admin, and more. ⭐ [26k stars](https://github.com/directus/directus)

## Data Sources & Datasets

- [Public Data Sets](https://cloud.google.com/public-datasets) is a collection of public datasets that Google hosts for you to explore and analyze.
- [Kaggle](https://www.kaggle.com/datasets) is the world's largest data science community with powerful tools and resources to help you achieve your data science goals.
- [Data.world](https://data.world) is a platform for modern data teamwork. Discover and share cool data, connect with interesting people, and work together to solve problems faster.
- [Google Dataset Search](https://datasetsearch.research.google.com) is a search engine for datasets.
- [Datahub](https://datahub.io) is a free, powerful data management platform from the Open Knowledge Foundation.

Data.gov...

- [US Data](https://www.data.gov) is the home of the U.S. Government's open data. Here you will find data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more.
- [Data USA](https://datausa.io) is a comprehensive visualization engine for shared US government data.
- [UK Data](https://data.gov.uk) is the UK government's open data portal.
- [Australian Data](https://data.gov.au) is the Australian government's open data portal.
- [Singapore Data](https://data.gov.sg) is the Singapore government's open data portal.
- [Hong Kong Data](https://data.gov.hk) is the Hong Kong government's open data portal.

Datos.gov...

- [Colombian Data](https://datos.gov.co) is the Colombian government's open data portal.
- [Mexican Data](https://datos.gob.mx) is the Mexican government's open data portal.

# DevSecOps

## System Design

- [System Design Primer](https://github.com/donnemartin/system-design-primer): Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards. ⭐ [250k stars](https://github.com/donnemartin/system-design-primer)

## Testing

- [PlayWright](https://playwright.dev) enables reliable end-to-end testing for modern web apps. ⭐ [60k stars](https://github.com/microsoft/playwright)
- [Cypress](https://www.cypress.io) is a **JavaScript End to End Testing Framework**. ⭐ [46k stars](https://github.com/cypress-io/cypress)
- [Vitest](https://vitest.dev) is the next generation testing framework powered by Vite. ⭐ [12.3k stars](https://github.com/vitest-dev/vitest)
- [Robot Framework](https://robotframework.org) is a generic open source automation framework for acceptance testing, acceptance test driven development (ATDD), and robotic process automation (RPA). ⭐ [9.5k stars](https://github.com/robotframework/robotframework)
- [SonarQube](https://www.sonarqube.org) is an open-source platform developed by SonarSource for continuous inspection of code quality to perform automatic reviews with static analysis of code to detect bugs, code smells, and security vulnerabilities. ⭐ [8.7k stars](https://github.com/SonarSource/sonarqube)
- [Fast Check](https://fast-check.dev) is a property-based testing framework for JavaScript and TypeScript. ⭐ [4.1k stars](https://github.com/dubzzz/fast-check)

## Security

- [Awesome Hacking](https://github.com/Hack-with-Github/Awesome-Hacking) is a collection of various awesome lists for hackers, pentesters, and security researchers.
- [OWASP](https://owasp.org) is a nonprofit foundation that works to improve the security of software. ⭐ [GitHub](https://github.com/OWASP)
- [NIST](https://www.nist.gov) is a non-regulatory federal agency within the U.S. Department of Commerce.
- [Snyk](https://snyk.io) specializes in **JavaScript security** ⭐ [5k stars](https://github.com/snyk/cli)
- [Trivy](https://trivy.dev) is a container security scanner designed specifically for **Docker images**. ⭐ [23k stars](https://github.com/aquasecurity/trivy)
- [Renovate](https://www.mend.io/renovate) is a **dependency update tool** that creates pull requests to keep dependencies up-to-date with the latest versions. ⭐ [17k stars](https://github.com/renovatebot/renovate)
- [Dependabot](https://dependabot.com) is a **dependency update tool** that creates pull requests to keep dependencies up-to-date with the latest versions. ⭐ [5k stars](https://github.com/dependabot/dependabot-core)

## Testing Frameworks

- [Jest](https://jestjs.io) is a delightful JavaScript Testing Framework with a focus on simplicity. ⭐ [k stars](https://github.com/jestjs/jest)
- [Mocha](https://mochajs.org) is a feature-rich JavaScript test framework running on Node.js and in the browser. ⭐ [k stars](https://github.com/mochajs/mocha)
- [Jasmine](https://jasmine.github.io) is a behavior-driven development framework for testing JavaScript code. ⭐ [k stars](https://github.com/jasmine/jasmine)
- [Cypress](https://www.cypress.io) is a **JavaScript End to End Testing Framework**. ⭐ [k stars](https://github.com/cypress-io/cypress)
- [Puppeteer](https://pptr.dev) is a **Node library** which provides a high-level API over the Chrome DevTools Protocol. ⭐ [k stars](https://github.com/puppeteer/puppeteer)
- [Karma](https://karma-runner.github.io/latest/index.html) is a simple tool that allows you to execute JavaScript code in multiple real browsers. ⭐ [k stars](https://github.com/karma-runner/karma)
- [WebdriverIO](https://webdriver.io) is a **Next-gen browser and mobile automation test framework** for Node.js. ⭐ [k stars](https://github.com/webdriverio/webdriverio)
- [Stryker js](https://stryker-mutator.io) is a mutation testing framework for JavaScript. ⭐ [k stars](https://github.com/stryker-mutator/stryker-js)
- [Ava](https://github.com/avajs) is a Node.js test runner that lets you develop with confidence ⭐ [k stars](https://github.com/avajs/ava)

## IT Automation

- [Ansible](https://www.ansible.com) is a simple, agentless IT automation technology that can improve your current processes, migrate applications for better optimization, and provide a single language for DevOps practices across your organization. ⭐ [61.2k stars](https://github.com/ansible/ansible)

## Form Management Tools

[Web3Forms](https://web3forms.com) simplifies form creation, submission handling, and storage for websites without requiring backend setup.

1. [Formik](https://formik.org) is a small library that helps you with the 3 most annoying parts: getting values in and out of form state, validation, and handling form submission.⭐ [34k stars](https://github.com/jaredpalmer/formik)
2. [Joi](https://joi.dev) is a powerful schema description language and **data validation library** for JavaScript. ⭐ [21k stars](https://github.com/hapijs/joi)
3. [Formkit](https://formkit.com) is an open-source form framework for Vue. ⭐ [4.5k stars](https://github.com/formkit/formkit)
4. [Vest](https://vestjs.dev) is a form validations framework that performs **form validations** and **provides feedback** to the user. ⭐ [2.5k stars](https://github.com/ealush/vest)
5. [Form.taxi](https://form.taxi) is an endpoint for HTML forms submissions. With notifications, spam blocker and GDPR-compliant data processing.

## CI

- [Travis CI](https://travis-ci.org) is a **continuous integration** service used to build and test software projects hosted at GitHub. ⭐ [9k stars](https://github.com/travis-ci/travis-ci)
- [Circle CI](https://circleci.com) is a modern, **developer-friendly** continuous integration and continuous delivery (CI/CD) platform. ⭐ [GitHub](https://github.com/circleci)

## CD

- [Heroku](https://www.heroku.com) is a platform as a service (PaaS) that enables developers to build, run, and operate applications entirely in the cloud. ⭐ [GitHub](https://github.com/heroku)

## Project Management Tools

- [Taiga](https://taiga.io) is a project management platform for startups and `agile developers` & designers who want a simple, beautiful tool that makes work truly enjoyable. ⭐ [GitHub](https://github.com/kaleidos-ventures/taiga)
- [Odoo](https://www.odoo.com) is a suite of open-source business apps that cover all your company needs: CRM, eCommerce, accounting, inventory, point of sale, project management, etc. Open Source Apps To Grow Your Business. ⭐ [35.4k stars](https://github.com/odoo/odoo)
- [Kanboard](https://kanboard.org) is a simple visual task board software. it is a free and open source Kanban project management software. ⭐ [8.2k stars](https://github.com/kanboard/kanboard)
- [Wekan](https://wekan.github.io) is an open-source Trello-like kanban. | The Open Source kanban (built with Meteor). Keep variable/table/field names camelCase. For translations, only add Pull Request changes to wekan/i18n/en.i18n.json , other translations are done at https://app.transifex.com/wekan/ only. ⭐ [19k stars](https://github.com/wekan/wekan)

## Monitoring

1. [Sentry](https://sentry.io) is a **real-time error tracking** that gives you insight into production deployments and information to reproduce and fix crashes. ⭐ [37k stars](https://github.com/getsentry/sentry)
2. [UpTimeRobot](https://uptimerobot.com) is a **website monitoring** service that checks your websites every 5 minutes and alerts you if your sites are down.
3. [Open Status](https://www.openstatus.dev) is the open-source website & API monitoring platform. ⭐ [GitHub](https://github.com/openstatusHQ/openstatus)
4. [checklyhq](https://checklyhq.com) is a **API monitoring** service that checks your APIs every 5 minutes and alerts you if your APIs are down. ⭐ [GitHub](https://github.com/checkly)
5. [New Relic](https://newrelic.com) is a **performance monitoring** tool that helps you to monitor, troubleshoot, and optimize your application performance. ⭐ [GitHub](https://github.com/newrelic)

## Analytics

- [Google Analytics](https://analytics.google.com) is a web analytics service offered by Google that tracks and reports website traffic.
- [Simple Analytics](https://simpleanalytics.com) is a simple, clean, and privacy-friendly analytics tool.

1. [Matomo](https://matomo.org) is a free and open-source web analytics application that runs on a PHP/MySQL webserver. ⭐ [19k stars](https://github.com/matomo-org/matomo)
2. [Plausible](https://plausible.io) is a simple, privacy-friendly alternative to Google Analytics. | 2 months free ⭐ [18.2k stars](https://github.com/plausible/analytics)
3. [PostHog](https://posthog.com) is an open-source product analytics tool. ⭐ [17k stars](https://github.com/PostHog/posthog)
4. [Mixpanel](https://mixpanel.com) is a business analytics service and company that tracks user interactions with web and mobile applications. ⭐ [GitHub](https://github.com/mixpanel)
5. [Amplitude](https://amplitude.com) is a product analytics service that provides tools to understand user behavior. ⭐ [GitHub](https://github.com/amplitude)
6. [Snowplow](https://snowplow.io) is an open-source platform for event data collection and warehousing. ⭐ [6.7k stars](https://github.com/snowplow/snowplow)
7. [Countly](https://count.com) is an open-source, self-hosted product analytics tool. ⭐ [5.5k stars](https://github.com/Countly/countly-server)
8. [GoatCounter](https://www.goatcounter.com) is a simple web analytics platform. ⭐ [4.1k stars](https://github.com/arp242/goatcounter)
9. [Open Web Analytics](https://www.openwebanalytics.com) is an open source alternative to commercial tools such as Google Analytics. Stay in control of the data you collect about the use of your website or app. Please consider sponsoring this project. ⭐ [2.5k stars](https://github.com/Open-Web-Analytics/Open-Web-Analytics)

## CSS Analyzers

- [Wallace](https://www.projectwallace.com) is a set of CSS analyzers that check your complexity, specificity, performance, Design Tokens and much more. And all of that in a single web app. THE BEST CSS ANALYZER OUT THERE. ⭐ [GitHub](https://github.com/projectwallace)
- [Stylelint](https://stylelint.io) is a mighty, modern linter that helps you avoid errors and enforce conventions in your styles. ⭐ [11k stars](https://github.com/stylelint/stylelint)
- [PurgeCSS](https://purgecss.com) is a tool to remove unused CSS. It can be used as part of your development workflow. ⭐ [7.7k stars](https://github.com/FullHuman/purgecss)
- [CSS Stats](https://cssstats.com) is a tool to visualize the CSS stats of a website. ⭐ [2.8k stars](https://github.com/cssstats/cssstats)

# Open Source

[Open Source Heroes](https://opensource-heroes.com) is a platform that helps you find open-source projects to contribute to. It provides a list of projects that are looking for contributors, and you can filter them by programming language, issue type, and more.
[Awesome Open Source](https://awesomeopensource.com) is a curated list of **open-source** projects that are looking for contributors.

## Self Hosted Services

- [Awesome SelfHosted](https://awesome-selfhosted.net) is a list of Free Software network services and web applications which can be hosted locally. Selfhosting is the process of hosting and managing applications instead of renting from Software-as-a-Service providers. ⭐ [172k stars](https://github.com/awesome-selfhosted/awesome-selfhosted)
- [Grafana](https://grafana.com) is the open-source analytics and monitoring solution for every database. ⭐ [60k stars](https://github.com/grafana/grafana)
- [Prometheus](https://prometheus.io) is an open-source monitoring and alerting toolkit. ⭐ [52.1k stars](https://github.com/prometheus/prometheus)
- [Pi-hole](https://pi-hole.net) is a network-wide ad blocker. ⭐ [46.3k stars](https://github.com/pi-hole/pi-hole)
- [Docker](https://www.docker.com) is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. ⭐ [30k stars](https://github.com/docker/awesome-compose)
- [Portainer](https://www.portainer.io) is an open-source lightweight management UI which allows you to easily manage your Docker host or Swarm cluster. ⭐ [28k stars](https://github.com/portainer/portainer)
- [Nextcloud](https://nextcloud.com) is a suite of client-server software for creating and using file hosting services. ⭐ [26k stars](https://github.com/nextcloud/server)
- [qBittorrent](https://www.qbittorrent.org) is a free and open-source BitTorrent client. ⭐ [24.5k stars](https://github.com/qbittorrent/qBittorrent)
- [File Browser](https://filebrowser.org) is a file manager that provides a web-based interface to manage your files. ⭐ [23k stars](https://github.com/filebrowser/filebrowser)
- [Homepage](https://gethomepage.dev) is a highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations. ⭐ [16.3k stars](https://github.com/gethomepage/homepage)
- [Transmission](https://transmissionbt.com) is a fast, easy, and free BitTorrent client. ⭐ [11.2k stars](https://github.com/transmission/transmission)
- [Jackett](https://github.com/Jackett/Jackett) works as a proxy server: it translates queries from apps ([Sonarr](https://github.com/Sonarr/Sonarr), [Radarr](https://github.com/Radarr/Radarr), [SickRage](https://github.com/SiCKRAGE), [CouchPotato](https://couchpota.to), [Mylar3](https://github.com/mylar3/mylar3), [Lidarr](https://github.com/lidarr/lidarr), [DuckieTV](https://github.com/SchizoDuckie/DuckieTV), [qBittorrent](https://www.qbittorrent.org), [Nefarious](https://github.com/lardbit/nefarious) etc.) into tracker-site-specific http queries, parses the html or json response, and then sends results back to the requesting software. This allows for getting recent uploads (like RSS) and performing searches. Jackett is a single repository of maintained indexer scraping & translation logic - removing the burden from other apps. [11.1k stars](https://github.com/Jackett/Jackett)
- [OpenVPN](https://openvpn.net) is an open-source software application that implements virtual private network techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. ⭐ [10k stars](https://github.com/OpenVPN/openvpn)
- [Sonarr](https://sonarr.tv) is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort, and rename them. ⭐ [9.8k stars](https://github.com/Sonarr/Sonarr)
- [RPI Monitor](https://xavierberger.github.io/RPi-Monitor-docs/index.html) is a monitoring tool for Raspberry Pi. A monitoring solution for Docker hosts and containers with Prometheus, Grafana, cAdvisor, NodeExporter, and alerting with AlertManager. ⭐ [9.5k stars](https://github.com/XavierBerger/RPi-Monitor)
- [Radarr](https://radarr.video) is a movie collection manager for Usenet and BitTorrent users. [9.2k stars](https://github.com/Radarr/Radarr)
- [Homer](https://homer-demo.netlify.app) is a dashboard for all your web applications. It doesn't need to be limited to applications though, you can add links to anything you like. ⭐ [8.5k stars](https://github.com/bastienwirtz/homer)
- [Heimdall](https://heimdall.site) is a dashboard for all your web applications. It doesn't need to be limited to applications though, you can add links to anything you like. ⭐ [7k stars](https://github.com/linuxserver/Heimdall)
- [PiVPN](https://www.pivpn.io) is a simple OpenVPN installer, designed for Raspberry Pi. ⭐ [7k stars](https://github.com/pivpn/pivpn)
- [Shell In A Box](https://code.google.com/archive/p/shellinabox) is a web-based terminal emulator that runs as a web-based SSH client on a web server. ⭐ [2.8k stars](https://github.com/shellinabox/shellinabox)
- [scrypted](https://scrypted.app) is a high performance home video integration and automation platform. ⭐ [3.7k stars](https://github.com/koush/scrypted)
- [Lidarr](https://lidarr.audio) is a music collection manager for Usenet and BitTorrent users. [3.3k stars](https://github.com/lidarr/lidarr)
- [Guacamole](https://guacamole.apache.org) is a clientless remote desktop gateway. ⭐ [3k stars](https://github.com/apache/guacamole-server)
- [DuckieTV](https://schizoduckie.github.io/DuckieTV) is a web application built with AngularJS to track your favorite tv-shows with semi-automagic torrent integration. [1.1k stars](https://github.com/SchizoDuckie/DuckieTV)
- [Nefarious](https://lardbit.github.io/nefarious) is a web application that automatically downloads Movies and TV Shows. [1k stars](https://github.com/lardbit/nefarious)
- [WireGuard](https://www.wireguard.com) is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. ⭐ [GitHub](https://github.com/WireGuard)
- [JDownloader](https://jdownloader.org) is a free, open-source download management tool with a huge community of developers that makes downloading as easy and fast as it should be.
- [cAdvisor](https://github.com/google/cadvisor) - Analyzes resource usage and performance characteristics of running containers.

### Tutorial on Self Hosted Services

- [Techno Tim](https://technotim.live) is a full stack software engineer, content creator, and a HomeLab enthusiast. ⭐ [GitHub](https://github.com/timothystewart6)
- [Christian Lempa](https://christianlempa.start.page) - Educational videos about my Homelab and Tech Projects. ⭐ [GitHub](https://github.com/christianlempa)

## Search Engines

1. [Elasticsearch](https://www.elastic.co/elasticsearch) is a distributed, RESTful search and analytics engine capable of addressing a growing number of use cases. ⭐ [67.2k stars](https://github.com/elastic/elasticsearch)
2. [MeiliSearch](https://www.meilisearch.com) is a powerful, fast, open-source, easy to use, and deploy search engine. A lightning-fast search API that fits effortlessly into your apps, websites, and workflow ⭐ [47k stars](https://github.com/meilisearch/meilisearch)
3. [zincsearch](https://zincsearch-docs.zinc.dev) is a lightweight alternative to elasticsearch that requires minimal resources, written in Go. ⭐ [16.3k stars](https://github.com/zincsearch/zincsearch)

- [Algolia](https://www.algolia.com) is a hosted search engine capable of delivering real-time results from the first keystroke. ⭐ [GitHub](https://github.com/algolia)
- [Solr](https://lucene.apache.org/solr) is a standalone enterprise search server with a REST-like API. ⭐ [GitHub](https://github.com/apache/lucene-solr)

## Terminal Tools

- **The Fuck** is a Magnificent app which corrects your previous console command ⭐ [83k stars](https://github.com/nvbn/thefuck)
- [Hyper](https://hyper.is) is a terminal built on web technologies. ⭐ [36k stars]()
- [Terminus](https://eugeny.github.io/terminus) is a terminal for a more modern age. ⭐ [12k stars]()
- **Partytown** Relocate resource intensive third-party scripts off of the main thread and into a web worker. ⭐ [12k stars](https://github.com/BuilderIO/partytown)

## Open Source For Apple

- [iOS apps](https://github.com/dkhamsing/open-source-ios-apps)

## Personal Cloud Computer

- [Puter](https://puter.com) is an Open Source Personal Cloud Computer: All your files, apps, and games in one place accessible from anywhere at any time. ⭐ [3.3k stars](https://github.com/HeyPuter/puter)

## Projects (Beginner friendly Contribution)

- [First Contributions](https://firstcontributions.github.io) helps beginners make your first open source contribution in 5 minutes. ⭐ [42k stars](https://github.com/firstcontributions/first-contributions)
- [FindIssues](https://findissues.vercel.app) aims to provide you access to the most recent created issues on github which is not assigned to anyone yet, with its advance search technique. ⭐ [GitHub](https://github.com/anand346/findissues)
- [First Timers Only](https://www.firsttimersonly.com) is a list of issues that are labeled "first-timers-only". These are issues that are easy to fix and are perfect for beginners. ⭐ [GitHub](https://github.com/shanselman/firsttimersonly)
- [My First PR](https://my-first-pr.github.io) helps beginners make their first open-source contribution. ⭐ [GitHub](https://github.com/my-f