An open API service indexing awesome lists of open source software.

Hacktoberfest

Hacktoberfest is a month-long celebration of open source projects, their maintainers, and the entire community of contributors. Each October, open source maintainers give new contributors extra attention as they guide developers through their first pull requests on GitHub.

By programming language

JavaScriptPythonJava

https://github.com/invoiceninja/invoiceninja

A source-available invoice, quote, project and time-tracking app built with Laravel

einvoicing expenses flutter hacktoberfest invoice invoiceninja invoices javascript kanban laravel payments php projects quotes tasks time-tracker

Last synced: 17 Apr 2026

https://github.com/DiceDB/dice

DiceDB is an open-source, fast, reactive, in-memory database optimized for modern hardware.

database golang hacktoberfest storage-engine

Last synced: 29 Mar 2025

https://github.com/TrinityCore/TrinityCore

TrinityCore Open Source MMO Framework (master = 11.0.2.56819, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.0.57244)

hacktoberfest linux mmorpg multi-platform multiplayer trinitycore wow

Last synced: 20 Mar 2025

https://github.com/koral--/android-gif-drawable

Views and Drawable for displaying animated GIFs on Android

android animated-gifs drawable gif hacktoberfest

Last synced: 12 Feb 2026

https://github.com/mahapps/mahapps.metro

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

c-sharp hacktoberfest mahapps metro modern open-source oss theme ui windows winui wpf wpf-mahapps xaml

Last synced: 09 Sep 2025

https://github.com/OpenMined/PySyft

Perform data science on data that remains in someone else's server

cryptography deep-learning federated-learning hacktoberfest privacy python pytorch secure-computation syft

Last synced: 14 Mar 2025

https://github.com/kedacore/keda

KEDA is a Kubernetes-based Event Driven Autoscaling component. It provides event driven scale for any container running in Kubernetes

autoscaling event-driven hacktoberfest keda kubernetes serverless

Last synced: 09 Sep 2025

https://github.com/prometheus-operator/prometheus-operator

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

hacktoberfest kubernetes monitoring prometheus

Last synced: 06 Feb 2026

https://github.com/onlook-dev/onlook

The open source Cursor for Designers. Design directly in your live React app and publish your changes to code.

browser cursor design devtool electron figma frontend hacktoberfest ide local-first low-code nextjs no-code react tailwindcss typescript ui vitejs webflow

Last synced: 14 May 2025

https://github.com/flaresolverr/flaresolverr

Proxy server to bypass Cloudflare protection

api chrome chromium cloudflare docker hacktoberfest proxy puppeteer rest server

Last synced: 29 Nov 2025

https://github.com/FasterXML/jackson

Main Portal page for the Jackson project

hacktoberfest jackson java-json java-json-library

Last synced: 11 Aug 2025

https://github.com/betaflight/betaflight

Open Source Flight Controller Firmware

betaflight cleanflight flight-controller hacktoberfest

Last synced: 12 May 2025

https://github.com/fasterxml/jackson

Main Portal page for the Jackson project

hacktoberfest jackson java-json java-json-library

Last synced: 14 May 2025

https://github.com/microsoft/winget-pkgs

The Microsoft community Windows Package Manager manifest repository

hacktoberfest

Last synced: 13 May 2025

https://github.com/MahApps/MahApps.Metro

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

c-sharp hacktoberfest mahapps metro modern open-source oss theme ui windows winui wpf wpf-mahapps xaml

Last synced: 14 Mar 2025

https://github.com/upgundecha/howtheysre

A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)

alerting chaos-engineering dev-ops devops hacktoberfest hacktoberfest-accepted incident-management incident-response infrastructure ml-ops monitoring observability on-call post-mortem reliability security site-reliability-engineering software-engineering sre sre-culture

Last synced: 12 May 2025

https://github.com/hediet/vscode-drawio

This unofficial extension integrates Draw.io (also known as diagrams.net) into VS Code.

diagram drawio hacktoberfest vscode-extension

Last synced: 12 May 2025

https://github.com/wasmedge/wasmedge

WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.

artificial-intelligence cloud cloud-native cncf container docker edge-computing ewasm hacktoberfest hacktoberfest2023 kubernetes rust-lang serverless wasm webassembly

Last synced: 22 Apr 2026

https://github.com/vmware-tanzu/velero

Backup and migrate Kubernetes applications and their persistent volumes

backup disaster-recovery hacktoberfest kubernetes velero

Last synced: 06 Mar 2026

https://github.com/sqlfluff/sqlfluff

A modular SQL linter and auto-formatter with support for multiple dialects and templated code.

hacktoberfest pypi sql sql-linter

Last synced: 08 Feb 2026

https://github.com/oceanbase/oceanbase

OceanBase is an enterprise distributed relational database with high availability, high performance, horizontal scalability, and compatibility with SQL standards.

analytics bigquery cloud-native cpp database distributed-database distributed-transactions hacktoberfest htap mysql mysql-compatibility mysql-database oceanbase olap oltp paxos scalable sql vector-database

Last synced: 13 May 2025

https://github.com/mealie-recipes/mealie

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

hacktoberfest hacktoberfest2022 meal-plans recipe-manager self-hosted

Last synced: 01 Apr 2026

https://konpa.github.io/devicon

Set of icons representing programming languages, designing & development tools

brands devicon font hacktoberfest icons logos stylesheet svg

Last synced: 25 Jul 2025

https://github.com/mudblazor/mudblazor

Blazor Component Library based on Material Design principles with an emphasis on ease of use and extensibility

blazor blazor-client blazor-components blazor-server blazor-webassembly component component-library components csharp hacktoberfest material netcore wasm

Last synced: 20 Feb 2026

https://github.com/tektoncd/pipeline

A cloud-native Pipeline resource.

cdf hacktoberfest kubernetes pipeline tekton

Last synced: 15 Jun 2026

https://github.com/bpmn-io/bpmn-js

A BPMN 2.0 rendering toolkit and web modeler.

bpmn bpmn-js browser hacktoberfest javascript modeler toolkit

Last synced: 04 Mar 2026

https://github.com/TheOdinProject/curriculum

The open curriculum for learning web development

css curriculum hacktoberfest html javascript lessons node nodejs ruby ruby-on-rails students

Last synced: 14 Mar 2025

https://github.com/teampiped/piped

An alternative privacy-friendly YouTube frontend which is efficient by design.

activej dearrow hacktoberfest ipfs java newpipe privacy sponsorblock videos vuejs youtube

Last synced: 08 May 2025

https://github.com/charmbracelet/lipgloss

Style definitions for nice terminal layouts 👄

cli go golang hacktoberfest layout style tui

Last synced: 12 May 2025

https://github.com/hay-kot/mealie

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

hacktoberfest hacktoberfest2022 meal-plans recipe-manager self-hosted

Last synced: 24 Apr 2025

https://github.com/bluewave-labs/checkmate

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)

good-first-contribution good-first-issue good-first-project hacktoberfest help-wanted incident infrastructure infrastructure-monitoring mui mui-material server-monitor server-monitoring server-monitoring-tools statuspage uptime uptime-checker uptime-monitor uptime-monitoring uptime-status uptimerobot

Last synced: 20 Jan 2026

https://github.com/mason-org/mason.nvim

Portable package manager for Neovim that runs everywhere Neovim runs. Easily install and manage LSP servers, DAP servers, linters, and formatters.

hacktoberfest lspinstall lua manager mason masoninstall neovim nvim nvim-lsp-installer package package-manager packages

Last synced: 11 May 2025

https://github.com/git-for-windows/git

A fork of Git containing Windows-specific patches.

hacktoberfest

Last synced: 07 Oct 2025

https://github.com/humanizr/humanizer

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

hacktoberfest localization

Last synced: 05 Mar 2026

https://github.com/actix/actix

Actor framework for Rust.

actix actor actor-model concurrency hacktoberfest rust

Last synced: 12 May 2025

https://github.com/bitinn/node-fetch

A light-weight module that brings the Fetch API to Node.js

fetch fetch-api hacktoberfest http http-client node-fetch promise spec-compliant stream whatwg whatwg-fetch

Last synced: 12 Aug 2025

https://github.com/node-fetch/node-fetch

A light-weight module that brings the Fetch API to Node.js

fetch fetch-api hacktoberfest http http-client node-fetch promise spec-compliant stream whatwg whatwg-fetch

Last synced: 12 Nov 2025

https://github.com/arrow-py/arrow

🏹 Better dates & times for Python

arrow date datetime hacktoberfest python time timestamp timezones

Last synced: 12 Dec 2025

https://github.com/checkstyle/checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

code-quality command-line-tool hacktoberfest java static-analysis static-code-analysis

Last synced: 28 Feb 2026

https://github.com/canonical/microk8s

MicroK8s is a small, fast, single-package Kubernetes for datacenters and the edge.

cicd developer-workstations hacktoberfest iot k8s kubernetes snap

Last synced: 11 May 2025

https://github.com/mqttjs/mqtt.js

The MQTT client for Node.js and the browser

hacktoberfest javascript mqtt mqtt-broker nodejs-library

Last synced: 16 Dec 2025

https://github.com/cakephp/cakephp

CakePHP: The Rapid Development Framework for PHP - Official Repository

cakephp form-builder hacktoberfest mvc mvc-framework orm php psr-7 rapid-development rest-api validation web web-framework

Last synced: 01 Apr 2026

https://github.com/beautifier/js-beautify

Beautifier for javascript

css hacktoberfest html javascript nodejs python

Last synced: 15 Dec 2025

https://github.com/srbhr/resume-matcher

Resume Matcher is an open source, free tool to improve your resume. It works by using AI, Reader LLMs, to compare and rank resumes with job descriptions.

applicant-tracking-system ats hacktoberfest machine-learning natural-language-processing nextjs python resume resume-builder resume-parser text-similarity typescript vector-search word-embeddings

Last synced: 08 May 2025

https://github.com/mqttjs/MQTT.js

The MQTT client for Node.js and the browser

hacktoberfest javascript mqtt mqtt-broker nodejs-library

Last synced: 23 Mar 2025

https://github.com/kelektiv/node-cron

Cron for NodeJS.

hacktoberfest

Last synced: 12 May 2025

https://github.com/bridgecrewio/checkov

Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

aws aws-security azure cloudformation compliance devops gcp hacktoberfest infrastructure-as-code kubernetes scans static-analysis terraform

Last synced: 05 Jun 2026

https://github.com/williamboman/mason.nvim

Portable package manager for Neovim that runs everywhere Neovim runs. Easily install and manage LSP servers, DAP servers, linters, and formatters.

hacktoberfest lspinstall lua manager mason masoninstall neovim nvim nvim-lsp-installer package package-manager packages

Last synced: 22 Apr 2025

https://github.com/lmms/lmms

Cross-platform music production software

daw hacktoberfest midi music songs

Last synced: 29 Sep 2025

https://github.com/Humanizr/Humanizer

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

hacktoberfest localization

Last synced: 16 Mar 2025

https://github.com/diasurgical/devilutionx

Diablo build for modern operating systems

debian devilution diablo game hacktober hacktoberfest homebrew

Last synced: 10 May 2025

https://github.com/voidcosmos/npkill

List any node_modules 📦 dir in your system and how heavy they are. You can then select which ones you want to erase to free up space 🧹

cli command-line developer-tools hacktoberfest javascript module node nodejs npm tool typescript

Last synced: 14 May 2025

https://github.com/prestashop/prestashop

PrestaShop is the universal open-source software platform to build your e-commerce solution.

cms ecommerce ecommerce-framework ecommerce-platform hacktoberfest php php-framework prestashop

Last synced: 05 Mar 2026

https://github.com/neutralinojs/neutralinojs

Portable and lightweight cross-platform desktop application development framework

c-plus-plus cross-platform css framework hacktoberfest html http-server javascript json native-development neutralinojs

Last synced: 13 Jun 2026

https://github.com/shipshapecode/tether

A positioning engine to make overlays, tooltips and dropdowns better

hacktoberfest javascript position tooltips

Last synced: 09 Sep 2025

https://github.com/ubuntu/microk8s

MicroK8s is a small, fast, single-package Kubernetes for datacenters and the edge.

cicd developer-workstations hacktoberfest iot k8s kubernetes snap

Last synced: 30 Mar 2025

https://github.com/projectdiscovery/httpx

httpx is a fast and multi-purpose HTTP toolkit that allows running multiple probes using the retryablehttp library.

bugbounty cli cybersecurity hacktoberfest http lib osint pentest-tool pipeline ssl-certificate

Last synced: 22 Jan 2026

https://github.com/reactiveui/reactiveui

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

android csharp dotnet first-timers fody framework functional-reactive-programming hacktoberfest ios mvvm reactive-extensions reactive-programming reactiveui reactivex tizen uwp winforms wpf xamarin xamarin-forms

Last synced: 26 Apr 2026

https://github.com/getsentry/self-hosted

Sentry, feature-complete and packaged up for low-volume deployments and proofs-of-concept

docker docker-compose fair-source hacktoberfest on-premise self-hosted sentry tag-production

Last synced: 17 Mar 2026

https://github.com/kognise/water.css

A drop-in collection of CSS styles to make simple websites just a little nicer

css css-framework hacktoberfest minimal simple

Last synced: 13 May 2025

https://github.com/PrestaShop/PrestaShop

PrestaShop is the universal open-source software platform to build your e-commerce solution.

cms ecommerce ecommerce-framework ecommerce-platform hacktoberfest php php-framework prestashop

Last synced: 14 Mar 2025

https://github.com/getanteon/anteon

Anteon (formerly Ddosify) - Effortless Kubernetes Monitoring and Performance Testing. Available on CLI, Self-Hosted, and Cloud

ddosify docker go golang hacktoberfest k8s kubernetes load-generator load-testing loadtesting performance-testing

Last synced: 14 May 2025

https://github.com/conventional-changelog/conventional-changelog

Generate changelogs and release notes from a project's commit messages and metadata.

changelog git hacktoberfest history metadata tag

Last synced: 17 Mar 2026

https://github.com/TeamPiped/Piped

An alternative privacy-friendly YouTube frontend which is efficient by design.

activej dearrow hacktoberfest ipfs java newpipe privacy sponsorblock videos vuejs youtube

Last synced: 13 Mar 2025

https://github.com/xcodesorg/xcodesapp

The easiest way to install and switch between multiple versions of Xcode - with a mouse click.

combine hacktoberfest macos swift swiftui xcode xcode-releases

Last synced: 08 Jun 2026

https://github.com/pdm-project/pdm

A modern Python package and dependency manager supporting the latest PEP standards

hacktoberfest package-manager packaging pep582 pep621 python workflow

Last synced: 24 Dec 2025

https://github.com/grommet/grommet

a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package

a11y babel design-system grommet hacktoberfest javascript react ux-framework

Last synced: 09 Apr 2026

https://github.com/dylanvann/react-native-fast-image

🚩 FastImage, performant React Native image component.

cocoapod glide hacktoberfest image image-cache priority react-native sdwebimage

Last synced: 07 May 2025

https://github.com/bluewave-labs/Checkmate

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)

good-first-contribution good-first-issue good-first-project hacktoberfest help-wanted incident infrastructure infrastructure-monitoring mui mui-material server-monitor server-monitoring server-monitoring-tools statuspage uptime uptime-checker uptime-monitor uptime-monitoring uptime-status uptimerobot

Last synced: 28 Sep 2025

https://github.com/diasurgical/DevilutionX

Diablo build for modern operating systems

debian devilution diablo game hacktober hacktoberfest homebrew

Last synced: 28 Oct 2025

https://github.com/chef/chef

Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale

automation cfgmgt chef deployment devops hacktoberfest infrastructure

Last synced: 15 Jan 2026

https://github.com/hacker0x01/react-datepicker

A simple and reusable datepicker component for React

date-fns datepicker-component hacktoberfest javascript moment picker react

Last synced: 09 Sep 2025

https://github.com/tiddlywiki/tiddlywiki5

A self-contained JavaScript wiki for the browser, Node.js, AWS Lambda etc.

hacktoberfest html javascript linux notepad notes tiddlywiki wiki windows

Last synced: 15 Jan 2026