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

GitHub Pull Requests for Visual Studio Code

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

A standalone Java Decompiler GUI

Vagrant/Puppet GUI

Isolated React component development environment with a living style guide

Authorization Gem for Ruby on Rails.

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

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

Ground mobile data collection app for Android

Cross-platform, safe, pure-rust graphics api.

🌍🌏🌎 The whole world fits inside your cloud!

Reicast was a multiplatform Sega Dreamcast emulator

📄 The official documentation site for Vue.js.

Open source clone of Theme Hospital

Delightful JavaScript Testing.

Node.js debugger based on Blink Developer Tools

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

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

🔥 A cross-platform build utility based on Lua

Financial Data Extraction from Investing.com with Python

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

:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

Fortran Package Manager (fpm)

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

:zap: :aquarius: Rapid prokaryotic genome annotation

Octopress is an obsessively designed framework for Jekyll blogging. It’s easy to configure and easy to deploy. Sweet huh?

The https://freeCodeCamp.org open source codebase and curriculum. Learn to code and help nonprofits.

The official Semantic-UI-React integration

🐚 An async & dynamic ORM for Rust

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

OpenTelemetry JavaScript Client

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

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

Streisand sets up a new server running your choice of WireGuard, OpenConnect, OpenSSH, OpenVPN, Shadowsocks, sslh, Stunnel, or a Tor bridge. It also generates custom instructions for all of these services. At the end of the run you are given an HTML file

Classic UI of ManageIQ

A complete native navigation solution for React Native

SpaceFM File Manager

A very simple Salesforce.com REST API client for Python

📑 Collabora Online for Nextcloud

Elastic UI Framework 🙌

Consul - Open Government and E-Participation Web Software

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

API Documentation Browser

The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

Exploit Development and Reverse Engineering with GDB Made Easy

Framework for Evolutionary Event-Driven Microservices on the JVM

Issue tracker for CoreOS Container Linux

The granddaddy of HTML tools, with support for modern standards

A learning management system (LMS) that lets you run an asynchronous online school, where learning is achieved through focused tasks, directed feedback, an iterative workflow, and community interaction.