Help out your favorite open source projects and become a better developer while doing it.

Fast, small, webkit based browser framework extensible by Lua.

The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++

Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more

✎ Android client for Nextcloud Notes app.

UI automation library for .Net

eCamp v3 is a web-based app for camp and course planning. The application is specialized for camps and courses of youth associations and for Y+S offers in the sport of camp sports/trekking.

An open-source, cloud-native, unified time series database for metrics, logs and events with SQL/PromQL supported. Available on GreptimeCloud.

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

:cake: Cake (C# Make) is a cross platform build automation system.

☕️ simple, flexible, fun javascript test framework for node.js & the browser

NLTK Source

Open source clone of Theme Hospital

Portable file server with accelerated resumable uploads, dedup, WebDAV, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps

A toolkit for machine learning from time series

An opinionated framework for creating REST-like APIs in Ruby.

Compatible client of Ace of Spades 0.75

An opinionated framework for creating REST-like APIs in Ruby.

A standalone Java Decompiler GUI

An open source GitHub Android client app, faster and concise.

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences.

Saleor Core: the high performance, composable, headless commerce API.

Saleor Core: the high performance, composable, headless commerce API.

Vagrant/Puppet GUI

Isolated React component development environment with a living style guide

Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine

A platform for community discussion. Free, open, simple.

Authorization Gem for Ruby on Rails.

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

The official Semantic-UI-React integration

Financial Data Extraction from Investing.com with Python

investpy  — is  a Python library for historical data extraction from the spanish stock market

Reicast was a multiplatform Sega Dreamcast emulator

:zap: :aquarius: Rapid prokaryotic genome annotation

Node.js debugger based on Blink Developer Tools

The core infrastructure backend (API, database, Docker, etc).

Python PDF Parser (Not actively maintained). Check out pdfminer.six.

The Eta Programming Language, a dialect of Haskell on the JVM

Automated generation of real Swagger/OpenAPI 2.0 schemas from Django REST Framework code.

Powerful, simple, audio tag editor for GNU/Linux

A fast and robust web server and application server for Ruby, Python and Node.js

An active model wrapper for the Neo4j Graph Database for Ruby.

📄 The official documentation site for Vue.js.

📨 Schedule social media posts, measure them, exchange with other members and get a lot of help from AI 🚀

A very simple Salesforce.com REST API client for Python

The granddaddy of HTML tools, with support for modern standards