https://github.com/EssenceSentry/awesome-web-resources

List of awesome web resources.
https://github.com/EssenceSentry/awesome-web-resources

List: awesome-web-resources

awesome awesome-list web-services

Last synced: 3 months ago
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List of awesome web resources.

• Host: GitHub
• URL: https://github.com/EssenceSentry/awesome-web-resources
• Owner: EssenceSentry
• Created: 2019-08-11T01:21:00.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2022-06-07T17:48:49.000Z (over 2 years ago)
• Last Synced: 2024-08-07T22:08:25.171Z (3 months ago)
• Topics: awesome, awesome-list, web-services
• Homepage:
• Size: 1.55 MB
• Stars: 9
• Watchers: 1
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• ultimate-awesome - awesome-web-resources - List of awesome web resources. (Other Lists / PowerShell Lists)

README

        
# Awesome web resources

## Contents

- [Academic](#academic)

  - [Data](#data)

  - [Encyclopedias](#encyclopedias)

  - [Search](#search)

- [Archiving](#archiving)

- [Avoid spam](#avoid-spam)

- [Bins and Pads](#bins-and-pads)

- [Calculators and Tables](#calculators-and-tables)

- [Communication](#communication)

- [Design](#design)

- [Colors](#colors)

- [Edition](#edition)

- [Stock](#stock)

  - [3D](#3d)

  - [Illustrations](#illustrations)

  - [Photos](#photos)

  - [Search](#search)

  - [Sound](#sound)

  - [Vectors and Icons](#vectors-and-icons)

  - [Video](#video)

- [Typography](#typography)

- [Documents](#documents)

  - [Latex](#latex)

  - [Notebooks](#notebooks)

  - [OCR](#ocr)

  - [PDFs and Converters](#pdfs-and-converters)

- [Electronics and Mechanics](#electronics-and-mechanics)

- [Entrepreneurs](#entrepreneurs)

- [Files and Sharing](#files-and-sharing)

  - [Sharing](#sharing)

  - [Storage](#storage)

- [Health](#health)

- [Languages](#languages)

  - [Dictionaries](#dictionaries)

  - [Proofreading and Checking](#proofreading-and-checking)

  - [Spanish](#spanish)

- [Learn](#learn)

- [Legal](#legal)

- [Math teaching](#math-teaching)

- [Privacy](#privacy)

- [Productivity](#productivity)

- [Programming](#programming)

  - [Academic](#academic)

  - [Chatbots](#chatbots)

  - [Code online](#code-online)

    - [Basic compilers](#basic-compilers)

    - [Full IDE](#full-ide)

    - [Jupyter notebooks](#jupyter-notebooks)

  - [Web prototyping](#web-prototyping)

  - [Documentation search](#documentation-search)

  - [Hosts and CDNs](#hosts-and-cdns)

  - [Regex](#regex)

  - [Web development](#web-development)

- [Speech to text](#speech-to-text)

- [Student resources](#student-resources)

- [Visualizations](#visualizations)

- [Financial](#financial)

- [TV Series](#tv-series)

- [Security](#security)

- [Others](#others)

## Academic

### Data

- [Academic Torrents](http://academictorrents.com/) – Distributed system for sharing enormous datasets – for researchers, by researchers. The result is a scalable, secure, and fault-tolerant repository for data, with blazing fast download speeds.

- [Data Science Toolkit](http://www.datasciencetoolkit.org/)

- [Google Dataset Search](https://toolbox.google.com/datasetsearch)

- [DBpedia Spotlight – Shedding light on the web of documents](https://www.dbpedia-spotlight.org/)

- [Google DataStudio](https://datastudio.google.com/navigation/reporting)

- [ImageNet](http://image-net.org/)

- [Query Stack Overflow – Stack Exchange Data Explorer](https://data.stackexchange.com/stackoverflow/query/new)

- [Reconciliation service test bench](https://reconciliation-api.github.io/testbench/)

- [Registry of Open Data on AWS](https://registry.opendata.aws/)

- [Search Results – Dryad](https://datadryad.org/discover)

- [The Online Plain Text English Dictionary](http://www.mso.anu.edu.au/%7Eralph/OPTED/) – The Online Plain Text English Dictionary, OPTED. v0.01a

- [The Stanford Question Answering Dataset](https://rajpurkar.github.io/SQuAD-explorer/) – Stanford Question Answering Dataset (SQuAD) is a new reading comprehension dataset, consisting of questions posed by crowdworkers on a set of Wikipedia articles, where the answer to every question is a segment of text, or span, from the corresponding reading passage. With 100,000+ question-answer pairs on 500+ articles, SQuAD is significantly larger than previous reading comprehension datasets.

- [LVIS: A dataset for large vocabulary instance segmentation](https://www.lvisdataset.org/) – A new dataset for long tail object recognition.

### Encyclopedias

- [Scholarpedia](http://www.scholarpedia.org/article/Main_Page)

- [The On-Line Encyclopedia of Integer Sequences® (OEIS®)](https://oeis.org/)

- [Wolfram MathWorld: The Web's Most Extensive Mathematics Resource](http://mathworld.wolfram.com/)

### Academic search

- [Crossref Metadata Search](https://search.crossref.org/)

- [Open Semantic Search](https://www.opensemanticsearch.org/) – Apache Solr (open source enterprise-search) based free software & open source research tools for faceted search, exploratory search, tagging & annotation, text mining, OCR & data visualization.

- [ScienceResearch.com – One Search. Superior Science.](http://scienceresearch.com/scienceresearch/) – The world's most comprehensive, public science and technology research portal, searching over 400 collections globally. ScienceResearch.com uses federated search technology to retrieve results in real-time, merge, de-dupe and rank the results for quick answers and information discovery.

- [Semantic Scholar – An academic search engine for scientific articles](https://www.semanticscholar.org/) – An academic search engine that utilizes artificial intelligence methods to provide highly relevant results and novel tools to filter them with ease.

- [semion.io – search arXiv preprints](https://www.semion.io/) – search scientific content on arXiv.org. Find preprints in physics and astrophysics, mathematics and statistics, computer science, machine learning and deep learning, electrical engineering and systems science, economics and quantitative finance, and quantitative biology.

- [Fermat's Library](https://fermatslibrary.com/)

- [Library Genesis](http://gen.lib.rus.ec/search.php) – Library Genesis is a scientific community targeting collection of books on natural science disciplines and engineering.

- [Sci-Hub](https://sci-hub.tw/) – The world's first pirate science resource, which opened up massive access to tens of millions of scientific articles.

## Archiving

- [Internet Archive: Digital Library of Free & Borrowable Books, Movies, Music & Wayback Machine](https://archive.org/) – Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 373 billion archived web pages.

- [Perma.cc](https://perma.cc/) – Broken links are everywhere. Perma helps authors and journals create permanent links for citations in their published work.

## Avoid spam

- [A gallery of Tumblr – The Tumblr viewer – Tumbex](https://www.tumbex.com/) – Tumbex is your access to all the tumblog, with a streamlined design and optimized navigation. View any Photo / Video / Audio / Quote / Link / Chat / Text of Tumblr.

- [BugMeNot: share logins](http://bugmenot.com/) – Access and share logins for websites that require you to register in order to view content.

- [Cascadr | A Tumblr Image Viewer](https://cascadr.co/) – Cascadr is a Tumblr image viewer, a different way to view Tumblr that allows you to easily and quickly scan through a blog to find the images that you want.

- [Fake Person Generator | User Identity, Account and Profile Generator](https://www.fakepersongenerator.com/) – Generate fake person(identity) from US, include name,address,phone,email,employment,family,personal information like interest, online profile, brower, and more. Use for testing as database.

- [Maildrop](https://maildrop.cc/) – Maildrop provides free disposable e-mail addresses for use in web forms, app signups, or any other place you'd like to protect your privacy.

- [Nada – temp mail – fast and free](https://getnada.com/)

- [SMS Receive Free Online](https://disposablesms.com/) – Receive Disposable SMS Online using 100s of numbers from 15 different countries around the world. No registration, instant SMS receive. FREE!

- [TempMailAddress | Disposable Temp Mail](https://www.tempmailaddress.com/) – The temp mail address to keep your original email safe. The disposable temporary email platform provides fleeting email addresses.

## Bins and Pads

- [Ghostbin](https://ghostbin.com/)

- [Laverna – keep your notes private](https://laverna.cc/) – Markdown note taking app focused on privacy.

- [PrivateBin](https://bin.disroot.org/)

- [ProtectedText – Free online encrypted notepad – Save your text online](https://www.protectedtext.com/) – Free online encrypted notepad. Simple, no registration, no ads! Our unique security approach makes ProtectedText.com the most secure way to store notes online. Easy to use secure notepad that just works!

- [Scratchpad – Realtime HTML and CSS Editor](http://scratchpad.io/)

- [ZeroBin](https://sebsauvage.net/paste/)

- [µPad](https://web.getmicropad.com/#!)

## Calculators and Tables

- [Browse formulas – fx​Solver](https://www.fxsolver.com/browse/)

- [Online Calculators & Tools – RapidTables.com](https://www.rapidtables.com/) – Online reference and tools – calculators, converters, math, electricity, web design.

## Communication

- [Adjourn](https://www.adjourn.io/)

- [Video Meetings, Video Conferencing, and Screen Sharing – appear.in](https://appear.in/user)

- [Discord – Free Voice and Text Chat for Gamers](https://discordapp.com/) – Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

- [Gitter — Where developers come to talk.](https://gitter.im/) – Where developers come to talk.

- [Jitsi Meet](https://meet.jit.si/)

- [room.sh | Online meeting rooms with powerful collaboration tools](https://room.sh/)

## Design

### Colors

- [Color Deck – A color palette collector](https://color.obscuredetour.com/)

- [Colourcode – Color palette](https://colourco.de/) – colourco.de is an online designer tool, which allows you to easily and intuitively combine colours.

- [Coolors.co – The super fast color schemes generator](https://coolors.co/) – Beautiful color palettes for your projects.

- [Culrs | Culrs gives you a simple smart approach to choose color palettes](https://culrs.com/) – Thoughtfully crafted and easy-to-use color palettes.

- [Viz Palette](https://projects.susielu.com/viz-palette)

### Edition

- [2D – Animation Tools for Apps, Games, and Web](https://www.2dimensions.com/) – Bring your apps and games to life with real-time animation. Flare is a powerful design and animation tool, which allows designers and developers to easily add high-quality animation to Flutter, iOS, Android, Unity, OpenGL, C++, C#, OpenTK, HTML, JS, and other apps and games.

- [Deep Dream Generator](https://deepdreamgenerator.com/)

- [Amazingly Simple Graphic Design Software – Canva](https://www.canva.com/) – Create beautiful designs with your team. Use Canva's drag-and-drop feature and layouts to design, share and print business cards, logos, presentations and more.

- [cubic-bezier.com](https://cubic-bezier.com/)

- [Favicon Generator for all platforms: iOS, Android, PC/Mac...](https://realfavicongenerator.net/) – The ultimate favicon generator. Design your icons platform per platform and make them look great, everywhere.

- [GoArt | Fotor – Art Effect to Transfer Photo to Art Online| Fotor Photo Editor](http://goart.fotor.com/) – With just one click, GoArt will transfer your photo to art online! Providing multiple art effects and styles, everyone can turn photo into painting and artwork with Fotor’s GoArt. GoArt is the new online prisma effect you can’t miss!

- [InVision | Digital product design, workflow & collaboration](https://www.invisionapp.com/) – InVision is the digital product design platform used to make the world’s best customer experiences.

- [Mantra](https://jeremyckahn.github.io/mantra/)

- [Meet Alva](https://meetalva.io/) – Create living prototypes with code components. Design with the same components your engineers are using for production.

- [MySigMail Card | App](https://card.mysigmail.com/) – MySigMail Card is free email template builder that helps to create professional email template.

- [Photo Editor : Pixlr X – free image editing online](https://pixlr.com/x/) – Experience Pixlr X, the next generation photo editor! No installation and registration required. Use for free on desktop, tablets & phones.

- [Photopea | Online Photo Editor](https://www.photopea.com/) – Open and edit PSD, XCF, Sketch (Photoshop, Gimp and Sketch) or any other image files. Inspect PSD and Sketch files. Convert Sketch to PSD. Apply photo effects and filters. A perfect alternative to Photoshop or Gimp.

- [px.div](https://www.pxdiv.com/) – Build HTML and CSS visually in the browser where it belongs.

- [Figma](https://www.figma.com/files/recent)

- [Remove Background from Image – remove.bg](https://www.remove.bg/) – Remove Image Background: 100% automatically – in 5 seconds – without a single click – for free.

- [RoboHash](https://robohash.org/)

- [Snazzy Maps – Free Styles for Google Maps](https://snazzymaps.com/) – Snazzy Maps is a repository of different color schemes for Google Maps aimed towards web designers and developers.

- [Stylie](https://jeremyckahn.github.io/stylie/)

- [The best Favicon Generator (completely free) | Favicon.io](https://favicon.io/) – The only favicon generator you need for your next project. Quickly and easily generate your favicon.ico file from text, image, or choose from hundreds of emojis. No design or technical skills required.

- [uizard](https://uizard.io/) – Uizard, the future of app development. Transform mobile hand-drawn wireframes automatically to Sketch and download the React Native code! Code less, create more.

- [Upscale image without losing quality – imageupscaler](https://imageupscaler.com/) – Image Upscaler is online service that resize images without losing quality. It uses deep learning technology for new pixels estimation.

- [Vectr – Free Online Vector Graphics Editor](https://vectr.com/) – Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.

- [Web Resizer – Making Photos Faster – Optimize pictures for websites and email](http://webresizer.com/resizer/)

- [xLayers: Design – Code – Repeat](https://xlayers.dev/#/home) – xLayers – Preview and Convert UI designs into ANY code, for ANY platform.

- [squoosh](https://squoosh.app/editor) – Great image size optimization browser app.

### Stock

- [Free Design Downloads : Fonts, Templates and Mockups](https://www.blugraphic.com/) – Download free PSD files, patterns, textures, templates, mock-ups, icons, ui kits, ui elements, buttons, banners and other psd freebies.

- [Free Design Resources – Daily Freebies for Creatives](https://freedesignresources.net/) – Daily Freebies for Creatives.

- [GraphicBurger](https://graphicburger.com/) – Tasty design resources made with care for each pixel. Free for both personal & commercial use. Have a bite!

- [Neede Design Resources](https://neede.co/#/) – Neede is a curated collection of some of the best online design resources.

- [Public Design Vault – Design tools for public good, all in one place.](https://publicdesignvault.com/)

#### 3D

- [3D ContentCentral – Free 3D CAD Models, 2D Drawings, and Supplier Catalogs](https://www.3dcontentcentral.com/) – Dassault Systèmes 3D ContentCentral is a free library of thousands of high quality 3D CAD models from hundreds of suppliers. Millions of users download 3D and 2D CAD files everyday.

- [Top 500 3D Models – 3D CAD Browser](https://www.3dcadbrowser.com/3dmodels.aspx) – Download Top 500 3D Models for 3ds Max, Maya, Cinema 4D, Lightwave, Softimage, Blender and other 3D modeling and animation software.

- [3D Models for Professionals :: TurboSquid](https://www.turbosquid.com/) – Vast online catalog of cars, people, textures, architectural models and more.

- [Free 3D BIM Objects & CAD Models](https://bimcatalogs.partcommunity.com/3d-cad-models/bim-categories) – 3D BIM & CAD models.

- [Free 3D CAD Models – PARTcommunity](http://b2b.partcommunity.com/3d-cad-models/by-categories) – 3D CAD models.

- [Free 3D models, CAD files and 2D drawings – TraceParts](https://www.traceparts.com/en) – TraceParts is one of the world’s leading providers of 3D digital content for Engineering. The traceparts.com portal is available free-of-charge to millions of CAD users worldwide. It provides access to hundreds of supplier catalogs and more than 100 Million CAD models and product datasheets.

- [Free STL files: the best 50 sites to download 3D printable files in 2019](https://www.aniwaa.com/best-sites-download-free-stl-files-3d-models-and-3d-printable-files-3d-printing/) – Here we cover the best sites where you can download 3D printable models in 2019. Many are free! Find your next STL file to 3D print with one of these sites.

- [IronCAD CAD Template Catalogs | IronCAD CAD Software Solutions](https://www.ironcad.com/catalog-content/) – IronCAD CAD Templates. Catalog of CAD templates and CAD examples to help in your implementation of the IronCAD design collaboration suite in your enterprise.

- [Models | 3D Resources](https://nasa3d.arc.nasa.gov/models) – 3D Resources web application.

- [Open Source 3D Models – iDigFossils](http://www.idigfossils.org/open-source-3d-models/) – MorphoSource is a project-based data archive that allows researchers to store and organize, share, and distribute their own 3d data. Furthermore any registered user can immediately search for and download 3d morphological data sets that have been made accessible through the consent of data authors. MorphoSource search results can be linked to labeled renderings…

- [3D CAD Model Collection | GrabCAD Community Library](https://grabcad.com/library) – Looking for downloadable 3D printing models, designs, and CAD files? Join the GrabCAD Community to get access to 2.5 million free CAD files from the largest collection of professional designers, engineers, manufacturers, and students on the planet.

#### Illustrations

- [Cool Backgrounds](https://coolbackgrounds.io/) – Explore a beautifully curated selection of cool backgrounds that you can add to blogs, websites, or as desktop and phone wallpapers.

- [DrawKit – Beautiful free illustrations](https://www.drawkit.io/) – MIT licensed SVG illustrations for you to use on your next project, in two different styles, for free!

- [Free Illustrations](https://lukaszadam.com/illustrations) – Free Illustrations and Icons for everyone. Use them for anything you like. Free for commercial and personal use.

- [Humaaans: Mix-&-Match illustration library](https://www.humaaans.com/) – Mix-&-match illustrations of people with a design library for InVIsion Studio and Sketch.

- [Illustrations | unDraw](https://undraw.co/illustrations) – Open-source illustrations for every project you can imagine and create.

- [Illustrations Gallery – ManyPixels](https://gallery.manypixels.co/) – Discover new free illustrations every week.

- [Textures: All | Texture Haven](https://texturehaven.com/textures/) – 100% Free High Quality Textures for Everyone.

#### Photos

- [Pixabay](https://pixabay.com/) – 1 million+ Stunning Free Images to Use Anywhere. Find your perfect free image or video to download and use for anything. ✓ Free for commercial use ✓ No attribution required ✓ High quality images.

- [Unsplash](https://unsplash.com/) – Beautiful, free images and photos that you can download and use for any project. Better than any royalty free or stock photos.

- [FreeImages.com](https://www.freeimages.com/) – Browse over 300,000 free stock photos and find the perfect royalty-free image quickly. Download free, high quality stock images, for every day or commercial use. No purchase required.

- [Avopix.com](https://avopix.com/) – Free photos and images for commercial use, no attribution required under Creative Commons Zero (public domain) licence. Get free photos and images now for you for free.

- [Pexels](https://www.pexels.com/) – Free stock photos you can use everywhere. ✓ Free for commercial use ✓ No attribution required.

- [HDRI Haven](https://hdrihaven.com/hdris/) – 100% Free High Quality HDRIs for Everyone.

- [Lorem Picsum](https://picsum.photos/) – Lorem Ipsum... but for photos.

#### Search stock

- [Free Stock Images & Videos](https://allthefreestock.com/#) – AllTheFreeStock.com

- [Librestock Photos – Free Stock Photo Search Engine](https://librestock.com/) – We scan and index the best free photos from the top stock sites. All photos are free for personal and commercial. No attribution required. CC0.

- [Stock Up: Instantly Search 25,000+ Free Stock Photos](https://www.sitebuilderreport.com/stock-up) – Stock Up is the most popular way to search for free stock photography. We combine (with permission) the free stock photos from across 25 different websites into one simple and insanely fast search engine. New photos added weekly.

- [The Stocks 2 – Best royalty free stock photos, videos, mockups, icons and fonts](http://thestocks.im/)

#### Sound

- [Free Royalty Free Music — Fugue](https://icons8.com/music) – Download free background music for your videos, movies, and websites. Free both for personal and commercial projects.

- [Freesound](https://freesound.org/) – Collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?

- [PasteMagazine](https://www.pastemagazine.com/noisetrade/music/) – Thousands of Albums. Completely Free. Completely Legal.

- [Wistia’s Music Collection](https://wistia.com/resources/music) – Download some free background tracks to add energy and emotion to your videos.

#### Vectors and Icons

- [🔥 Streamline Emoji – 850 + Free Vector Emoji](http://emoji.streamlineicons.com/)

- [Free Icons — Tilda Publishing](https://tilda.cc/free-icons/) – Download free icons for landing pages. More than 400 vector icons, collected in 27 sets for business.

- [Free icons by first-class designers](https://iconstore.co/) – A library of free vector icons for personal and commercial projects, designed by first-class designers.

- [Free icons by Xicons](https://xicons.co/) – Free (do whatever you want) vector icons. Designed by Xicons.studio – Xicons offers free vector icons in SVG and PNG format.

- [Free vector icons – SVG, PSD, PNG, EPS & Icon Font – Thousands of free icons](https://www.flaticon.com/) – 1,964,000+ Free vector icons in SVG, PSD, PNG, EPS format or as ICON FONT. Thousands of free icons in the largest database of free vector icons!

- [Free vector illustrations – Ouch.pics](https://icons8.com/ouch) – Ouch helps creators who don’t draw overcome the lack of quality graphics. Download the free illustrations from top Dribbble artists to class up your product.

- [Icon Font & SVG Icon Sets ❍ IcoMoon](https://icomoon.io/) – IcoMoon provides a package of vector icons, along with a free HTML5 app for making custom icon fonts or SVG sprites. Browse among thousands of pixel perfect icons or import your own vectors.

- [iconmonstr – Free simple icons for your next project](https://iconmonstr.com/) – Free simple icons for your next project.

- [Font Awesome](https://fontawesome.com/)

- [Ikonate – fully customisable & accessible vector icons](https://ikonate.com/) – Customise, adjust and download free vector icons. Ikonate is an adaptable set of optimised, accessible SVG icons that use can easily use in both development and design apps such as Sketch and Photoshop. Ready to use as images, inline SVGs or SVG sprites.

- [Material Design Icons](https://materialdesignicons.com/) – View all the Material Design icons and more from the community.

- [Material Icons Library](https://icons.pixsellz.io/) – Free Collection of 1000+ Icons for Sketch, Figma & Adobe XD.

- [Free Icons for Everything – Noun Project](https://thenounproject.com/) – The most diverse collection of icons ever. Download SVG and PNG. Millions of free icons or unlimited royalty-free icons with NounPro.

- [Streamline 3.0](https://app.streamlineicons.com/streamline-regular/interface-essential) – Streamline 3.0 – 30,000 icons in three unique weights. 53 categories. 720 subcategories. The world's largest icon library.

- [SVG PORN](https://svgporn.com/)

- [Worldvectorlogo — Brand logos free to download](https://worldvectorlogo.com/) – Worldvectorlogo has the largest SVG logo vector collection. All logos work with EPS, AI, PSD and Adobe PDF. No account and unlimited downloads for free.

#### Video

- [Beautiful, Free Stock Video Footage For Your Homepage](https://coverr.co/) – Download royalty free (for personal and commercial use), unique and beautiful video footage for your website or any project. No attribution required.

- [Free stock videos · Pexels Videos](https://www.pexels.com/videos/) – Pexels Videos makes it easy to find free stock footage for your website, promo video or anything else. All videos are free for personal and commercial use.

- [Free Videos, Clips & Loops](https://www.lifeofvids.com/) – Free videos for personal & commercial uses. New videos added weekly! High-resolution videos for free for U on our VIMEO. For Designers, Web Creatives & more.

- [Mixkit – Royalty Free Videos and Illustrations](https://mixkit.co/) – Download high quality, royalty free video footage and art. New awesome creative assets being added daily that are completely free to use.

### Typography

- [Butterick’s Practical Typography](https://practicaltypography.com/)

- [DaFont – Descargar fuentes](https://www.dafont.com/es/) – Archivo de fuentes de descarga gratuita. Búsqueda por orden alfabético, por estilo, por autor o por popularidad.

- [Entypo](http://www.entypo.com/) – Entypo is a suite of 411 carefully crafted premium pictograms by Daniel Bruce.

- [Font style matcher](https://meowni.ca/font-style-matcher/)

- [Google Fonts](https://fonts.google.com/) – Making the web more beautiful, fast, and open through great typography.

- [In-Depth Guide to the Best Free Fonts • Beautiful Web Type](https://beautifulwebtype.com/) – Discover the best free fonts from Google and across the web. See beautiful examples, recommended pairings, OpenType features, and more.

- [Sans Forgetica – RMIT](http://sansforgetica.rmit/) – Sans Forgetica is a typeface that has been scientifically designed to aid memory retention. It was designed by a multidisciplinary team of academics and designers at RMIT University to aid students when studying.

- [Tiff – a visual typeface diff tool.](https://tiff.herokuapp.com/)

- [Tips for balancing web fonts & page load – Frontend News ## 1](https://frontendnews.io/editions/2018-07-25-tips-for-loading-web-fonts)

- [Type Connection](http://www.typeconnection.com/) – A typographic dating game that helps you learn how to pair typefaces.

- [✔️ ❤️ ★ Unicode® Character Table](https://unicode-table.com/en/) – Unicode character search web service. Find, copy and paste your favorite characters: 😎 Emoji, ❤ Hearts, 💲 Currencies, → Arrows, ★ Stars and more 🚩.

- [Awesome Design Tools](https://flawlessapp.io/designtools)

- [Codrops | Useful resources and inspiration for creative minds](https://tympanus.net/codrops/) – Codrops is a web design and development blog that publishes articles and tutorials about the latest web trends, techniques and new possibilities.

- [UI Goodies: All the best resources for designers in one place.](https://www.uigoodies.com/)

## Documents

- [Coda. A doc as powerful as an app.](https://coda.io/welcome) – Coda is a new doc that grows with your ideas. We built it so the next generation of makers can build docs as powerful as apps. What will you Coda?

### Latex

- [Create LaTeX tables online](http://www.tablesgenerator.com/#) – Quickly create even complex LaTeX tables online with our generator -- cells merging is supported together with borders editing.

- [Overleaf, Online LaTeX Editor](https://www.overleaf.com/) – An online LaTeX editor that's easy to use. No installation, real-time collaboration, version control, hundreds of LaTeX templates, and more.

- [Pandoc Online](https://foliovision.com/seo-tools/pandoc-online#) – This version of Pandoc online does not have a character limit. Enjoy Pandoc without the hassle of the command line!

### Notebooks

- [A Simple Notebook for Developers | Dnote](https://dnote.io/) – Dnote is a minimalist note-taking software designed to keep you focused by providing quick ways of capturing new information. It is open source and end-to-end encrypted.

- [HackMD – Collaborative markdown notes](https://hackmd.io/) – Best way to write and share your knowledge in markdown.

- [GitBook](https://app.gitbook.com/)

### OCR

- [Free Online OCR – Convert JPEG, PNG, GIF, BMP, TIFF, PDF, DjVu to Text](https://www.newocr.com/) – Free online OCR service that allows to convert scanned images, faxes, screenshots, PDF documents and ebooks to text, can process 122 languages and supports layout analysis.

- [i2OCR – Free Online OCR](http://www.i2ocr.com/) – i2OCR is a free online Optical Character Recognition (OCR) that extracts text from images so that it can be edited, formatted, indexed, searched, or translated.

### PDFs and Converters

- [LottaTools](https://lottatools.com/)

- [Online File Converter – DocsPal](https://www.docspal.com/) – Convert your files online, instantly and for free: documents, video, audio, images, e-books, archives. You can also view your document directly in our Viewer page. And there is no need to download any software.

- [PDF Merger – Easy PDF Files Merging](https://pdfmerge.smartsfile.com/) – Pdf merger allows you to merge pdf files fast and easy, everything is online, free and with no registration, try it now >>

- [Pdf.to](https://pdf.to/) – Pdf.to is a Portable Document Format (PDF) Converter software to convert your file or image to and from PDF's. Convert PDF to Word, Excel, JPG, PPT, DOC, PNG and more with Pdf.to! Compress too. No registration or installation needed.

## Electronics and Mechanics

- [All About Circuits – Electrical Engineering & Electronics Community](https://www.allaboutcircuits.com/) – The fastest growing community of electrical engineers with 300+ new members every day seeking technical articles, advanced education, tools, and peer-to-peer discussions.

- [OpenBuilds](https://openbuilds.com/)

- [Datasheets, Electronic Parts, Components, Search – Octopart](https://octopart.com/) – Octopart is a search engine for electronic and industrial parts. Find part data, check availability, and compare prices across hundreds of distributors and thousands of manufacturers.

- [Descargas CAD](http://www.skf.com/cl/knowledge-centre/engineering-tools/skf-bearings-housings-units-and-seals-cad-models-general-instructions.html)

- [SimScale](https://www.simscale.com/) – Engineering simulation in your browser – CFD, FEA + more | HPC engineering simulation in your web browser: CFD, FEA and more – efficient, scalable and flexible.

## Entrepreneurs

- [+400 Awesome Freebies for Entrepreneurs & Small Businesses](https://growthsupply.com/free/all/) – All the awesome free startup resources in one place.

- [Best Freelance Tools – Bonsai](https://www.hellobonsai.com/best-freelance-tools) – See what thousands of the top freelance designers and developers use to run their businesses successfully. Includes everything from freelance project management to invoicing and payments.

- [Business Model Fiddle](http://bmfiddle.com/) – Business Model Fiddle is a playground creating and sharing business models with templates for Business Model Generation, Business Model You, Lean Canvas, SWOT, User Experience UX Canvas or create your own.

- [Mapa Emprendedor](http://mapaemprendedor.uy/) – Mapa Emprendedor

- [Startup Pitch Decks | Cirrus Insight](https://www.cirrusinsight.com/blog/startup-pitch-decks) – A collection of real fundraising decks from real startups. In total, these decks have raised over $400 million.

- [Startup School](https://www.startupschool.org/)

- [Supernova | Smart and easy to use business plan software](https://www.supernova-business.com/visitor_home/index/gb) – Find easily if your business project will be profitable : change your assumptions and follow our customized advices to improve your performance (growth, profit and cash), thanks to our smart business plan algorithm.

- [Uruguay Emprendedor](https://uruguayemprendedor.uy/) – Sitio Uruguay Emprendedor.

## Files and Sharing

### Sharing

- [Anonymous File Upload – AnonFile](https://anonfile.com/)

- [file.io – Ephemeral file sharing](https://www.file.io/)

- [OnionShare](https://onionshare.org/) – OnionShare lets you securely and anonymously share a file of any size.

- [Speaker Deck – Share Presentations without the Mess](https://speakerdeck.com/)

- [transfer.sh – Easy and fast file sharing from the command-line.](https://transfer.sh/)

### Storage

- [Box](https://account.box.com/)

- [Dropbox](https://www.dropbox.com/) – Login to Dropbox. Bring your photos, docs, and videos anywhere and keep your files safe.

- [The Best Unlimited Online Backup and Cloud Storage Services](https://www.backblaze.com/) – Backblaze is a pioneer in robust, scalable low cost cloud backup and storage services. Personal online backup to enterprise scale data storage solutions.

- [Microsoft OneDrive – Access files anywhere. Create docs with free Office Online.](https://onedrive.live.com/) – Store photos and docs online. Access them from any PC, Mac or phone. Create and work together on Word, Excel or PowerPoint documents.

- [Google Drive – One place for all your files](https://drive.google.com/drive/my-drive) – Google Drive is a free way to keep your files backed up and easy to reach from any phone, tablet, or computer. Start with 15GB of Google storage – free.

- [hubiC – OVH](https://hubic.com/) – Connectez-vous à votre compte hubiC depuis votre navigateur.

- [MEGA](https://mega.nz/) – MEGA provides free cloud storage with convenient and powerful always-on privacy. Claim your free 50GB now!

- [Yandex](https://passport.yandex.com/)

## Health

- [Drug Interactions – Drugs.com](https://www.drugs.com/interaction/list/) – Drug Interaction Checker. Check for drug-drug and drug-food interactions.

- [Independent Analysis on Supplements & Nutrition | Examine.com](https://examine.com/) – Examine.com simplifies nutrition and supplementation to help you answer your questions on how to be healthier.

- [Los Alimentos](https://alimentos.org.es/) – Descubre los alimentos y sus propiedades nutricionales para mejorar tu dieta. Alimentos ricos en hierro, proteínas, calcio, fibra y vitaminas. The only source I know with the amino acid content of different foods.

- [Take a personality test – Open Source Psychometrics Project](https://openpsychometrics.org/)

## Languages

- [ESL: English as a Second Language for Teachers & Students – 7 E S L](https://7esl.com/) – English as a Second Language! Useful Learning Resources with ESL Printable Worksheets and Pictures for ESL Students and English Teachers.

- [Fantasy name generators. Names for all your fantasy characters.](https://www.fantasynamegenerators.com/) – A fantasy name generator for every fantasy character. From Chinese to Viking and from dragon to werewolf, I have a fantasy name generator for all your needs.

- [Good Copy • Email copy from great companies](https://www.goodemailcopy.com/)

- [Google Traductor](https://translate.google.com.uy/) – El servicio gratuito de Google traduce al instante palabras, frases y páginas web del español a más de cien idiomas.

- [Preparing for the Writing Proficiency Exam (WPE)](https://writingcenter.calpoly.edu/content/gwr/wpe/wpe_prep) – Writing is a learned skill that composition and other writing-intensive classes help you cultivate through sustained practice. Reviewing the writing skills you have learned throughout your time in high school and college can help you prepare to succeed on the WPE. There are also a number of resources to help you with WPE preparation.

### Dictionaries

- [Cambridge Dictionary | English Dictionary, Translations & Thesaurus](https://dictionary.cambridge.org/) – The most popular dictionary and thesaurus for learners of English. Meanings and definitions of words with pronunciations and translations.

- [ozdic – the English Collocations Dictionary online](https://ozdic.com/collocation-dictionary/)

- [ConceptNet](http://www.conceptnet.io/c/en/program)

- [Dictionary by Merriam-Webster: America's most-trusted online dictionary](https://www.merriam-webster.com/) – The dictionary by Merriam-Webster is America's most trusted online dictionary for English word definitions, meanings, and pronunciation. #wordsmatter

- [Dictionary.com | Meanings and Definitions of Words at Dictionary.com](https://www.dictionary.com/) – Dictionary.com is the world’s leading online source for English definitions, synonyms, word origins and etymologies, audio pronunciations, example sentences, slang phrases, idioms, word games, legal and medical terms, Word of the Day and more. For over 20 years, Dictionary.com has been helping millions of people improve their use of the English language with its free digital services.

- [English Collocations](http://www.linguatools.de/kollokationen-en/) – English collocations online.

- [English Grammar Today on Cambridge Dictionary](https://dictionary.cambridge.org/grammar/british-grammar/) – Home page for English Grammar Today on Cambridge Dictionary.

- [GNU Collaborative International Dictionary of English](http://gcide.gnu.org.ua/) – GNU Collaborative International Dictionary of English.

- [Improve your English pronunciation using Youtube](https://youglish.com/) – Use YouTube to improve your English pronunciation. Real people, real situations.

- [Internet Slang](https://www.acronymfinder.com/Slang/)

- [NOW Corpus](https://www.english-corpora.org/now/) – Billions of words of data from web-based newspapers and magazines, 2010 through this past month.

- [Online OXFORD Collocation Dictionary of English](http://www.freecollocation.com/) – Free Online Oxford Collocation Dictionary for Advanced English Learners.

- [Pattern Dictionary of English Verbs](http://pdev.org.uk/#browse) – Corpus Pattern Analysis.

- [Thesaurus.com | Synonyms and Antonyms of Words at Thesaurus.com](https://www.thesaurus.com/) – Thesaurus.com is the world’s largest and most trusted free online thesaurus brought to you by Dictionary.com. For over 20 years, Thesaurus.com has been helping millions of people improve their mastery of the English language and find the precise word with over 3 million synonyms and antonyms and the ability to filter search results by relevance, word length, and complexity.

- [Topic Dictionaries at Oxford Learner's Dictionaries](https://www.oxfordlearnersdictionaries.com/topic/) – Topic Dictionaries group together words related to common subject areas.

- [Urban Dictionary, August 10: big cap](https://www.urbandictionary.com/) – When someone lying out they ass.

- [Dictionary : Vocabulary.com](https://www.vocabulary.com/dictionary/) – The world's smartest, fastest dictionary. Look up a word and learn it forever.

- [WordNet | A Lexical Database for English](https://wordnet.princeton.edu/)

### Proofreading and Checking

- [Free Online Proofreader: Grammar Check, Plagiarism Detection, and more](https://www.paperrater.com/) – PaperRater uses Artificial Intelligence to improve your writing. Includes grammar, plagiarism, and spelling check, along with word choice analysis and automated grading.

- [Free online proofreading and essay editor – Typely](https://editor.typely.com/) – Free online proofreading and essay editor – a reliable tool for any writer, newspaper editor, teacher, blogger or student.

- [Free Spelling and Grammar Checker – Perfect Tense](https://www.perfecttense.com/free-grammar-checker) – Grammar correction. Automated. Perfect Tense gives you error-free content in seconds.

- [Free, Powerful English Grammar Checker | SCRIBENS](https://www.scribens.com/index.html) – Scribens is a free online Grammar Checker that corrects over 250 types of common grammar, spelling mistakes and detects stylistic elements such as repetitions, run-on sentences, redundancies and more.

- [Hemingway Editor](http://www.hemingwayapp.com/)

- [Online Text Correction](https://www.onlinecorrection.com/) – Free online check for spelling, grammatical errors and correct diction.

## Spanish

- [Diccionario panhispánico](http://lema.rae.es/dpd/)

## Learn

- [Stanford Lagunita](https://lagunita.stanford.edu/)

- [CourseBuffet – Find free online courses from 200+ top universities like Harvard, Stanford, MIT & platforms Coursera, edX, Udacity, etc](https://www.coursebuffet.com/) – Find free college equivalent online courses (MOOC) from top free course providers & universities. Find & compare courses from Coursera, Udacity, Futurelearn & other massive open online courses websites.

- [Courses | SoloLearn: Learn to code for FREE!](https://www.sololearn.com/Courses/) – Available Courses on SoloLearn.

- [GitHub – build-your-own-x: 🤓 Build your own (insert technology here)](https://github.com/danistefanovic/build-your-own-x#build-your-own-bot) – 🤓 Build your own (insert technology here). Contribute to danistefanovic/build-your-own-x development by creating an account on GitHub.

- [Dive into Deep Learning — Dive into Deep Learning](http://d2l.ai/)

- [Dive into Deep Learning — Dive into Deep Learning numpy](http://numpy.d2l.ai/)

- [Electronic library. Download books free.](https://b-ok.cc/) – Electronic library. Download books free. Finding books | B–OK. Download books for free. Find books.

- [fast.ai · Making neural nets uncool again](https://www.fast.ai/)

- [Featured Learning Paths – Cognitive Class](https://cognitiveclass.ai/learn/) – Take your data skills to the next level with our recommended Data Science and Big Data learning paths. Enroll today for free and earn badges upon completion.

- [Free Computer Books : IT, Programming and Computer Science](https://www.onlineprogrammingbooks.com/) – Download Free Computer Books, Programming eBooks and Free IT eBooks. Read VB, C#, ASP.NET, Java, PHP, Python, Ruby, C++ Books Online.

- [Free Data Ebooks – O'Reilly Media](https://www.oreilly.com/data/free/) – The best data insights from O'Reilly editors, authors, and Strata speakers for you in one place, so you can dive deep into the latest of what's happening in data science and big data.

- [Free Management eBooks – Online Library](http://www.free-management-ebooks.com/index.htm) – Free management eBooks, templates and checklists for your PC, Mac, laptop, tablet, Kindle, eBook reader or Smartphone.

- [Free Programming Books – GoalKicker.com](https://goalkicker.com/) – Free Programming Books on Android development, C, C#, CSS, HTML5, iOS development, Java, JavaScript, PowerShell, PHP, Python, SQL Sever and more.

- [GitHub – ossu/computer-science: Path to a free self-taught education in Computer Science!](https://github.com/ossu/computer-science) – :mortar_board: Path to a free self-taught education in Computer Science! – ossu/computer-science.

- [GitHub – ossu/data-science: Path to a free self-taught education in Data Science!](https://github.com/ossu/data-science#machine-learning) – :bar_chart: Path to a free self-taught education in Data Science! – ossu/data-science.

- [Google Developers](https://developers.google.com/) – Everything you need to build better apps.

- [How to Design Programs, Second Edition](https://htdp.org/2019-02-24/)

- [Learn Anything](https://learn-anything.xyz/)

- [Learn X in Y Minutes: Scenic Programming Language Tours](https://learnxinyminutes.com/)

- [LearnAwesome.org](https://learnawesome.org/) – Humanity's universal learning map.

- [MIT Challenge | Scott H Young](https://www.scotthyoung.com/blog/myprojects/mit-challenge-2/)

- [Open Textbook Library](https://open.umn.edu/opentextbooks/)

- [Stanford Engineering Everywhere](https://see.stanford.edu/) – Stanford Engineering Everywhere (SEE) expands the Stanford experience to students and educators online and at no charge. A computer and an Internet connection are all you need. The SEE course portfolio includes one of Stanford's most popular sequences: the three-course Introduction to Computer Science, taken by the majority of Stanford’s undergraduates, as well as more advanced courses in artificial intelligence and electrical engineering.

- [The Neural Network Zoo – The Asimov Institute](http://www.asimovinstitute.org/neural-network-zoo/)

- [The Open Source Data Science Masters by datasciencemasters](http://datasciencemasters.org/)

## Legal

- [Choose an open source license](https://choosealicense.com/) – Non-judgmental guidance on choosing a license for your open source project.

- [Docracy – Free Legal Documents](https://www.docracy.com/) – Open legal documents, provided and trusted by people like you. Find or upload a document, sign it for free.

- [TLDRLegal](https://tldrlegal.com/) – Lookup open source licenses summarized & explained in plain English.

## Math teaching

- [Desmos | Graphing Calculator](https://www.desmos.com/calculator) – A beautiful, free online graphing calculator from desmos.com

- [GeoGebra](https://www.geogebra.org/) – Get our free online math tools for graphing, geometry, 3D, and more!

- [graph.tk](http://graph.tk/) – Online graph sketching app that can graph functions and numerically solve differential equations. Requires Javascript HTML 5.

- [Fórmulas](https://www.vitutor.net/) – Fórmulas de Matemáticas, formulario de Matemáticas, tablas, operaciones y apuntes de Matemáticas, Geometría, Trigonometría. Primaria, Secundaria, ESO, Bachillerato, Selectividad, PAU.

## Privacy

- [Cryptomator: Free Cloud Encryption for Dropbox & Others](https://cryptomator.org/) – Free & Open Source client-side encryption for Dropbox, Google Drive, you name it. Protect your cloud files. Free software. No accounts, no backdoors.

- [ACCOUNTKILLER.COM](https://www.accountkiller.com/en)

- [Email Self-Defense – a guide to fighting surveillance with GnuPG encryption](https://emailselfdefense.fsf.org/en/) – Email surveillance violates our fundamental rights and makes free speech risky. This guide will teach you email self-defense in 40 minutes with GnuPG.

- [GNU/Linux – Platforms – PRISM Break](https://prism-break.org/en/categories/gnu-linux/) – Opt out of global data surveillance programs like PRISM, XKeyscore and Tempora. Help make mass surveillance of entire populations uneconomical! We all have a right to privacy, which you can exercise today by encrypting your communications and ending your reliance on proprietary services.

- [Invidious](https://invidio.us/) – An alternative front-end to YouTube.

- [ProtonMail](https://mail.protonmail.com/) – Log in or create an account.

- [Mail. Done. Right. Tutanota](https://mail.tutanota.com/) – Mail. Done. Right. Make a fresh start in 2019 and get a free mail account that does not abuse your emails for advertising. Tutanota is fast, easy, secure and free of ads.

- [plic](https://plic.ml/) – Send one-time secret messages securely with plic.

- [Privacy Guides](https://www.ivpn.net/privacy-guides)

- [Privacy Tools – Encryption Against Global Mass Surveillance](https://www.privacytools.io/) – You are being watched. Knowledge, encryption and privacy tools to protect you against global mass surveillance.

- [Qubes OS: A reasonably secure operating system](https://www.qubes-os.org/) – Qubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.

- [Remove an image from Google | canig](https://www.canig.com/removing-images-from-google-image-search/) – Step by step, how to find a URL of an image cached in Google's image search and how you delete it from the image search results.

- [Reset The Net – Privacy Pack](https://pack.resetthenet.org/#more-android)

- [Tails – Privacy for anyone anywhere](https://tails.boum.org/)

## Productivity

- [Clockify – 100% Free Time Tracking Software](https://clockify.me/) – Clockify is the only completely free time tracking software for teams. It's a simple time tracker and timesheet app for tracking work hours across projects.

- [Inthe.AM](https://inthe.am/)

- [Manage your team’s work, projects, & tasks online · Asana](https://asana.com/) – Easily organize and plan workflows, projects, and more, so you can keep your team's work on schedule. Start using Asana as your work management tool today.

- [Noisli – Improve Focus and Boost Productivity with Background Noise](https://www.noisli.com/) – Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.

- [Trello](https://trello.com/) – Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

- [WakaTime · Open source plugins, goals, and automatic time tracking for programmers](https://wakatime.com/) – Productivity metrics for programmers.

## Programming

### Academic programming

- [Browse the State-of-the-Art in Machine Learning](https://paperswithcode.com/sota) – 1146 leaderboards • 1223 tasks • 1105 datasets • 14793 papers with code.

- [Compiler Explorer](https://godbolt.org/) – Compiler Explorer is an interactive online compiler which shows the assembly output of compiled C++, Rust, Go (and many more) code.

- [Model Zoo – Deep learning code and pretrained models for transfer learning, educational purposes, and more](https://modelzoo.co/)

- [Pointfree.io](http://pointfree.io/)

- [Pretrained CNNs – MatConvNet](http://www.vlfeat.org/matconvnet/pretrained/)

- [Python Tutor – Visualize Python, Java, C, C++, JavaScript, TypeScript, and Ruby code execution](http://pythontutor.com/)

- [spa-sota](https://www.stateoftheart.ai/)

- [The BNF Converter](http://bnfc.digitalgrammars.com/)

### Chatbots

- [SAP Conversational AI | Automate Customer Service With AI Chatbots](https://cai.tools.sap/)

- [Wit.ai](https://wit.ai/)

### Code online

- [Oracle Live SQL](https://livesql.oracle.com/apex/f)

#### Basic compilers

- [Home – glot.io](https://glot.io/)

- [Ideone.com – Online Compiler and IDE >> C/C++, Java, PHP, Python, Perl and 40+ other compilers and interpreters](https://ideone.com/)

- [Judge0 IDE](https://ide.judge0.com/) – Online compiler and IDE powered by Judge0 API.

- [Multilanguage Online Ide & MicroApp Builder](https://www.beta.browxy.com/) – Online IDE (Java, C, C++, Python, PHP, and more).

- [Online Compiler and Editor/IDE for Java, C, C++, PHP, Python, Ruby, Perl – Code and Run Online](https://www.jdoodle.com/) – is a free Online Compiler, Editor, IDE for Java, C, C++, PHP, Perl, Python, Ruby. Code Online – Online Runner – Share Save Java/C/C++/Perl/Python/Ruby online.

- [Repl.it – The world's leading online coding platform](https://repl.it/) – Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 50+ programming languages.

- [RunKit is Node prototyping](https://runkit.com/home) – RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. Every NPM module pre-installed.

- [RunMyCode Online](https://runmycode.online/) – RunMyCode Online is a free and open-source tool to compile and run code online, directly from GitHub, GitLab, BitBucket, and more.

- [Superfast Online Java Compiler, Editer and IDE – Codiva.io – Compile and Run Java Online](https://www.codiva.io/) – Compile and run C, C++, Java programs online with Codiva.io. Compiles as you type with auto complete suggestions. It is fast, even on 2G mobile.

- [Try It Online](https://tio.run/#)

- [Use Coq in Your Browser: The Js Coq Theorem Prover Online IDE!](https://jscoq.github.io/) – An Online IDE for the Coq Theorem Prover.

#### Full IDE

- [Breadboard.io – run code from github](https://breadboard.io/)

- [Codeboard · the IDE for the classroom](https://codeboard.io/)

- [Codenvy](https://codenvy.io/) – Developer workspaces to modify, run and debug code in the cloud or on-premises.

- [Eclipse Che | SaaS Cloud](https://www.eclipse.org/che/getting-started/cloud/) – Eclipse Che Next-Generation Eclipse IDE.

- [Gitpod – Online IDE for GitHub](https://www.gitpod.io/) – One-click ready-to-code development environments for GitHub.

- [Glitch](https://glitch.com/) – Simple, powerful, free tools to create and use millions of apps.

#### Jupyter notebooks

- [Binder](https://mybinder.org/)

- [Datalore](https://datalore.io/) – Datalore is an interactive web-based workbook for data analysis, scientific exploration and visualization in Python.

- [Colaboratory](https://colab.research.google.com/notebooks/welcome.ipynb)

- [Notebooks | Kaggle](https://www.kaggle.com/kernels)

- [Notebooks AI | Jupyter Notebooks as a Service](https://notebooks.ai/) – Free Data Science environment in the cloud.

### Web prototyping

- [CodePen – Front End Developer Playground & Code Editor in the Browser](https://codepen.io/)

- [CodeSandbox: Online Code Editor Tailored for Web Application Development CodeSandbox](https://codesandbox.io/) – CodeSandbox is an online code editor with a focus on creating and sharing web application projects.

- [Create a new fiddle – JSFiddle](https://jsfiddle.net/) – Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

- [Plunker – Helping you build the web](http://next.plnkr.co/)

- [GDB online Debugger | Compiler – Code, Compile, Run, Debug online C, C++](https://www.onlinegdb.com/) – Online GDB is online compiler and debugger for C/C++. You can compile, run and debug code with GDB online. Using gcc/g++ as compiler and gdb as debugger. Currently C and C++ languages are supported.

### Documentation search

- [ArchWiki](https://wiki.archlinux.org/index.php)

- [Awesome Indexed – Searchable Awesome Lists](https://awesome-indexed.mathew-davies.co.uk/)

- [Can I use... Support tables for HTML5, CSS3, etc](https://caniuse.com/)

- [Devhints — TL;DR for developer documentation](https://devhints.io/) – A ridiculous collection of web development cheatsheets.

- [One-page guide to explainshell.com](https://explainshell.com/) – match command-line arguments to their help text.

- [Find the best online programming courses and Tutorials – Hackr.io](https://hackr.io/) – Google search shows you hundreds of programming courses/tutorials, but Hackr.io tells you which is the best one. Find the best online courses & tutorials recommended by the programming community. Pick the most upvoted tutorials as per your learning style: video-based, book, free, paid, for beginners, advanced, etc.

- [Custom Search Engine](https://cse.google.com/cse)

- [OverAPI.com](http://overapi.com/) – OverAPI.com is a site collecting all the cheatsheets, all!

- [Recipes « ActiveState Code](https://code.activestate.com/recipes/)

- [searchcode | source code search engine](https://searchcode.com/) – searchcode is a free source code and documentation search engine. API documentation, code snippets and open source (free software) repositories are indexed and searchable.

- [SyntaxDB](https://syntaxdb.com/reference/search)

### Hosts and CDNs

- [Deployd](https://deployd.com/)

- [jsDelivr – A free, fast, and reliable Open Source CDN for NPM & GitHub](https://www.jsdelivr.com/) – A free, fast, and reliable Open Source CDN for npm and GitHub with the largest network and best performance among all CDNs. Serving more than 40 billion requests per month.

- [localhost.run – Instant localhost sharing](http://localhost.run/) – localhost.run – Instant localhost sharing.

- [Now – ZEIT](https://zeit.co/now) – Global Serverless Deployments

- [Postimage.org — free image hosting / image upload](https://postimages.org/) – Provides free image upload and hosting integration for forums. Free picture hosting and photo sharing for websites and blogs.

- [Serveo: expose local servers to the internet using SSH](http://serveo.net/)

- [Staticaly – A free multi-CDN for Git repositories, WordPress, images and more](https://staticaly.com/) – Staticaly is a free multi-CDN for Git repositories, WordPress, images and other assets with high-performance of caching and optimization.

- [Surge](https://surge.sh/) – Shipping web projects should be fast, easy, and low risk. Surge is static web publishing for Front-End Developers, right from the CLI.

### Regex

- [RegExr: Learn, Build, & Test RegEx](https://regexr.com/)

- [Regulex：JavaScript Regular Expression Visualizer.](https://jex.im/regulex/)

- [txt2re: headache relief for programmers :: regular expression generator](http://www.txt2re.com/index-python.php3) – Regular Expression Generator for languages Perl PHP Python Java Javascript ColdFusion C C++ Ruby VB VBScript JSharp CSharp C++ dotnet VB

### Web development

- [API Marketplace – Free Public & Open Rest APIs | RapidAPI](https://rapidapi.com/)

- [BundlePhobia](https://bundlephobia.com/result)

- [Compressor.io – optimize and compress JPEG photos and PNG images](https://compressor.io/) – Optimize and compress your images online. Compressor is a lossy and lossless photo compression tool.

- [CSS Inliner Tool | Email Design Reference](https://templates.mailchimp.com/resources/inline-css/)

- [Pika – Search npm for fast, modern packages.](https://www.pika.dev/) – Find modern, web-ready packages on NPM. Get faster, smaller JavaScript bundles.

- [Postman | API Development Environment](https://www.getpostman.com/) – Postman is the only complete API development environment used by more than 7 million developers and 300,000 companies worldwide.

- [ProgrammableWeb – APIs, Mashups and the Web as Platform](https://www.programmableweb.com/) – The leading source of news & information about APIs, chronicling the evolution of the global API economy & providing the web’s most relied-on API Directory.

- [Responsinator](http://www.responsinator.com/) – The Responsinator is designed to test responsive websites on different device resolutions.

- [Responsive Image Breakpoints Generator by Cloudinary](https://responsivebreakpoints.com/) – Efficiently analyze each hi-res image and find the best dimensions for embedding as responsive images in your site.

- [REST test](https://resttesttest.com/)

- [TestMace — API testing tool Slack Telegram](https://client.testmace.com/) – Your IDE to work with API. Work with API following the best software development practices.

- [WebPageTest – Website Performance and Optimization Test](https://www.webpagetest.org/) – Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

- [BIOS Master Password Generator for Laptops](https://bios-pw.org/#)

- [Carbon](https://carbon.now.sh/) – Carbon is the easiest way to create and share beautiful images of your source code.

- [Cloud Maker](https://app.cloudmaker.ai/dashboard)

- [Free Online Tools For Developers – FreeFormatter.com](https://freeformatter.com/) – Free online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!

- [Free Online Tools For Programmers | Coder's Tool](https://www.coderstool.com/) – Boost your programming productivity with our online coder tools and utilities.

- [Libraries.io – The Open Source Discovery Service](https://libraries.io/) – Discover open source packages, modules and frameworks you can use in your code.

- [Mockaroo – Random Data Generator and API Mocking Tool | JSON / CSV / SQL / Excel](https://www.mockaroo.com/) – A free test data generator and API mocking tool – Mockaroo lets you create custom CSV, JSON, SQL, and Excel datasets to test and demo your software.

- [Source code beautifier / syntax highlighter – convert code snippets to HTML « hilite.me](http://hilite.me/)

- [System Designer](https://designfirst.io/designer/) – An IDE for designing systems.

## Speech to text

- [SpeechTexter | Type with your voice!](https://www.speechtexter.com/) – Online voice to text speech recognition. Dictate with your voice. Free web app for typing with your voice. Over 60 different languages supported! A Dragon Naturally Speaking free alternative.

- [Voice Dictation – Online Speech Recognition](https://dictation.io/) – Dictation is a free online speech recognition software that will help you write emails, documents and essays using your voice narration and without typing.

## Student resources

- [GCP Free Tier – Free Extended Trials and Always Free  |  Google Cloud](https://cloud.google.com/free/) – GCP Free Tier expands our free program in two ways. $300 credit in a 12-month free trial and Always Free. Learn more.

- [GitHub Student Developer Pack – GitHub Education](https://education.github.com/pack#offers) – The GitHub Student Developer Pack is all you need to learn how to code. Get your Pack now.

- [Home – Microsoft Azure](https://portal.azure.com/)

- [Namecheap Education Program: Free Domains for Students](https://nc.me/) – The Namecheap Education Program offers a free domain and website to university students worldwide.

- [Algolia](https://www.algolia.com/) – Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.

- [Heroku](https://dashboard.heroku.com/apps)

- [BigML.com](https://bigml.com/dashboard/sources) – BigML.com is a consumable, programmable, and scalable Machine Learning platform that makes it easy to solve and automate Classification, Regression, Time Series Forecasting, Cluster Analysis, Anomaly Detection, Association Discovery, Topic Modeling, and Principal Component Analysis tasks. BigML is helping thousands of analysts, software developers, and scientists around the world seamlessly transform their data into actionable models that are used to make predictions through remote services or locally, by exporting and embedding models into applications.

- [Travis CI – Test and Deploy with Confidence](https://travis-ci.com/account/repositories)

## Visualizations

- [Create charts and maps with Datawrapper](https://www.datawrapper.de/) – Create interactive, responsive & beautiful charts — no code required.

- [Data Viz Project | Collection of data visualizations to get inspired and finding the right type.](https://datavizproject.com/) – Collection of data visualizations to get inspired and finding the right type.

- [RAWGraphs](https://rawgraphs.io/) – The missing link between spreadsheets and data visualization.

- [Webgraphviz](http://www.webgraphviz.com/)

- [Windy: Wind map & weather forecast](https://www.windy.com/) – Weather radar, wind and waves forecast for kiters, surfers, paragliders, pilots, sailors and anyone else. Worldwide animated weather map, with easy to use layers and precise spot forecast. METAR, TAF and NOTAMs for any airport in the World. SYNOP codes from weather stations and buoys. Forecast models ECMWF, GFS, NAM and NEMS.

- [yEd Live](https://www.yworks.com/yed-live/) – yEd Live is a free diagram editor web application that runs in the browser and lets you quickly create, import, edit, and automatically arrange diagrams.

## Find software

- [AlternativeTo – Crowdsourced software recommendations](https://alternativeto.net/software/) – AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.

- [snapcraft](https://snapcraft.io/store) – Search thousands of snaps used by millions of people across 41 Linux distributions.

- [flathub](https://flathub.org/home) – The home of hundreds of apps which can be easily installed on any Linux distribution.

## Financial

- [Aliexpress price history, comparision, seller check, search by image](https://www.alisuperstar.com/)

- [FAQ - Pricearchive.org](https://www.pricearchive.org/faq#q0)

- [Portfolio Visualizer](https://www.portfoliovisualizer.com/)

## TV Series

- [Watch Latest Movies and TV Shows For Free on lookmovie.ag](https://lookmovie.ag/)

- [MoviesJoy - Free movies streaming, watch movies online](https://www1.moviesjoy.net/)

- [Cartoon HD - Download APK | Watch Movies & TV Shows](https://cartoonhd.app/)

- [Watch Series – Full Episodes](https://newepisodes.co/) – High quality streaming links to the most popular TV shows minutes after they air!

## Security

- [Rainbow Crackalack: Make Rainbow Tables Great Again](https://www.rainbowcrackalack.com/)

- [List of Rainbow Tables](https://project-rainbowcrack.com/table.htm)

## Others

- [GitHub – aviaryan/awesome-no-login-web-apps: 🚀 Awesome (free) web apps that work without login](https://github.com/aviaryan/awesome-no-login-web-apps) – 🚀 Awesome (free) web apps that work without login. Contribute to aviaryan/awesome-no-login-web-apps development by creating an account on GitHub.

- [KnowFlow](https://www.knowflow.io/profile/boards)

- [BioLinky - Enhance your online presence.](https://biolinky.co/)

- [EasyDB](https://easydb.io/)

- [Send free anonymous email online](https://sendmail.altmails.com/)

- [Diez — The Design Language Framework](https://diez.org/)

- [Simple Scraper — Scrape Website and Table Data in Seconds](https://simplescraper.io/)

- [Download music, movies, games, software! The Pirate Bay - The galaxy's most resilient BitTorrent site](https://thepiratebay.org/)

- [Web Scraping, Data Extraction and Automation · Apify](https://apify.com/)

- [Diggernaut - Turn website content into datasets](https://www.diggernaut.com/)

- [microlink.io: Browser as API](https://microlink.io/)

- [Best Free OCR API, Online OCR, Searchable PDF - Fresh 2019 OCR Software](https://ocr.space/)

- [World Leading Web Scraping Services & Developer Tools - Scrapinghub](https://scrapinghub.com/)

- [Proxy API for Web Scraping | ScraperAPI](https://www.scraperapi.com/)

- [WrapAPI: APIs for the whole web](https://wrapapi.com/)

- [Meeting agenda and meeting minutes software | Tadum](https://tadum.app/)

- [What do you want to schedule? - cally.com](https://cally.com/)

- [Codota - AI completions for your Java IDE](https://www.codota.com/)

- [Sourcegraph - Code search and intelligence](https://about.sourcegraph.com/)

- [Low-code Application Development Platform - Build Apps Fast & Efficiently | Mendix](https://www.mendix.com/)

- [The #1 Low-Code Platform for Digital Transformation | OutSystems](https://www.outsystems.com/)

- [Cloudflare Workers®](https://workers.cloudflare.com/)

- [Faster load times and improved SEO through image optimization - Piio](https://piio.co/)

- [Modern Analytic Apps for the Enterprise - Plotly](https://plot.ly/)

- [MindMup](https://www.mindmup.com/)

- [Welcome to Gravit Designer PRO](https://designer.gravit.io/)

- [Lightweight Financial Charting Library — TradingView](https://www.tradingview.com/lightweight-charts/)

- [App - CSS Icons](https://css.gg/app)

- [Free Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials](http://freecomputerbooks.com/)

- [Calculist](https://app.calculist.io/)

- [Outline - Team wiki & knowledge base](https://www.getoutline.com/)

- [DueFocus - More than a Time Tracker](https://duefocus.com/)

- [Automatic Statistician](https://automaticstatistician.com/research/)

- [Diagram.Codes](https://www.diagram.codes/)

- [Home | ISBNdb](https://www.isbndb.com/)

- [REST API - Crossref](https://www.crossref.org/services/metadata-delivery/rest-api/)

- [Pic.Hance - Instantly Enhance Your Photos](https://pichance.com/)

- [Scrapio - Webscraping from the comfort of your browser](https://www.getscrapio.com/)

- [Robotic Tape](https://robotictape.com/)

- [Dataset Search](https://datasetsearch.research.google.com/)

- [Vis.gl - Uber Vis Team](https://vis.gl/)

- [Graspable Math](https://graspablemath.com/)

- [KickassTorrents - Download torrents from Kickass Torrents](https://kickasstorrents.to/)

- [EZTV - TV Torrents Online Series Download | Official](https://eztv.io/)

- [Torlock - Recent Movies Torrents](https://www.torlock.com/movies/1/size/desc.html)

- [A Neural Network Playground](https://playground.tensorflow.org/)

- [iLoveIMG | The fastest free web app for easy image modification.](https://www.iloveimg.com/)

- [HDRI Haven](https://hdrihaven.com/)

- [Textures for 3D, graphic design and Photoshop!](https://www.textures.com/)

- [domlysz/BlenderGIS: Blender addons to make the bridge between Blender and geographic data](https://github.com/domlysz/BlenderGIS)

- [Download FaceBuilder for Blender](https://keentools.io/download/facebuilder-for-blender)

- [Get D-NOISE: AI Denoiser for Blender » Remington Creative](https://remington.pro/software/blender/d-noise/)

- [Online image vectorizer](https://www.autotracer.org/)

- [Create LaTeX tables online](https://www.tablesgenerator.com/)

- [Buy Bitcoin with Credit Card or Debit Card Instantly | PayBis](https://paybis.com/)

- [Free Online Resume Builder - FlowCV](https://flowcv.io/)

- [Drawbrary - Best free illustrations for your website or app](https://www.drawbrary.com/)

- [Online Excel Formula Beautifier](http://excelformulabeautifier.com/)

- [CalcMe | WIRIS](https://calcme.com/a)

- [Minzel - Creative Mindmapping](https://minzel.io/)

- [Simplenote](https://simplenote.com/)

- [Editsaurus by Tyler Walters](https://editsaurus.tylerwalters.com/)

- [The Open Source Writing Aide](https://grammark.org/dist/#/)

- [Expresso](https://www.expresso-app.org/)

- [Free, Powerful English Grammar Checker | SCRIBENS](https://www.scribens.com/)

- [Slick Write | Check your grammar. Proofread online.](https://www.slickwrite.com/#!home)

- [Grammar Check - Free Essay Checker | Virtual Writing Tutor](https://virtualwritingtutor.com/)

- [ZetaProse - free online novel editing tool](https://www.zetaprose.com/)

- [SkELL: corpus examples for learning English](https://skell.sketchengine.co.uk/run.cgi/skell)

- [Wireflow - Free Wire / User Flow Tool](http://wireflow.co/)

- [Exploit Database - Exploits for Penetration Testers, Researchers, and Ethical Hackers](https://www.exploit-db.com/)

- [Bookmarklet generator](https://medialab.github.io/artoo/generator/)

- [iLovePDF | Online PDF tools for PDF lovers](https://www.ilovepdf.com/#)

- [Takeafile - send any file at max speed for free](https://takeafile.com/)

- [Bashupload.com / upload files from command line](https://bashupload.com/)

- [Archive Extractor Online](https://extract.me/)

- [Funzip - The quickest way to open .zip and .rar files online!](https://funzip.net/)

- [Just Delete Me | A directory of direct links to delete your account from web services.](https://backgroundchecks.org/justdeleteme/)

- [Unsubscribe from emails, instantly - Unroll.Me](https://unroll.me/)

- [Ivy League Online Courses | Class Central](https://www.classcentral.com/collection/ivy-league-moocs)

- [ShellCheck – shell script analysis tool](https://www.shellcheck.net/)

- [Download free illustrations to power up your projects | Stories](https://stories.freepik.com/)

- [OSINT Framework](https://osintframework.com/)

- [Webrecorder | Homepage](https://webrecorder.io/)

- [PDF Playground - PDFFiddler](https://playground.pdffiddler.com/?apps=true)

- [Chemical Checker](https://chemicalchecker.org/)

- [PWA Store](https://progressiveapp.store/pwa/Hacker-News)

- [Poly](https://poly.google.com/)

- [Run your application from any public Git-repo with one click - Runme.io](https://runme.io/)

- [DeepPavlov: an open source conversational AI framework](https://deeppavlov.ai/)

- [Paperscape](http://paperscape.org/)

- [Top arXiv papers](https://scirate.com/)

- [NameRobot - Naming Tool collection for creators](https://tools.namerobot.com/)

- [AI21 Labs | AI for the 21st Century](https://www.ai21.com/)

- [Postwoman • A free, fast and beautiful API request builder](https://postwoman.io/)

- [GitHub Student Developer Pack - GitHub Education](https://education.github.com/pack)

- [Scrapinghub](https://app.scrapinghub.com)

- [DocSearch: Search made for documentation](https://docsearch.algolia.com/)

- [https://www.caeexamtips.com](https://www.caeexamtips.com/)

- [Activities for Learners | Learning English | Cambridge English](https://www.cambridgeenglish.org/learning-english/activities-for-learners/?level=proficient&rows=12)

- [Awesome Search](https://awesomelists.top/) – A website which makes you access the awesome curated lists more quickly.

- [Extract Title Tag and Meta Description from URLs – Free SEO Tool](http://tools.buzzstream.com/meta-tag-extractor) – Enter a list of URLs and this tool will return the title tag, keywords and description for them.

- [SlimWiki](https://slimwiki.com/) – Beautiful Wikis for Teams. Get started today, free forever!

- [DownSub.com | Download and save subtitles](https://downsub.com/) – DownSub is a free web application that can download and save subtitles directly from Youtube, Drive, DramaFever, Viki, OnDemandKorea, Vlive and more.