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

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.

Framework for Evolutionary Event-Driven Microservices on the JVM

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

Apache Lucene and Solr open-source search software

API Documentation Browser

A super-easy, composable, web server framework for warp speeds.

A fast and easy-to-use status bar

Dendrite is a second-generation Matrix homeserver written in Go!

React Ace Component

Utilities to use the Hugging Face Hub API

Distributed reliable key-value store for the most critical data of a distributed system

Ever® Teams™ - Open Work and Project Management Platform - https://ever.team

Vi/Vim emulation for Sublime Text 3

Framework for quickly creating connected applications in Kotlin with minimal effort

Bandit is a tool designed to find common security issues in Python code.

Which is the fastest web framework?

Brings the popular ruby faker gem to Java

PHPCI is a free and open source continuous integration tool specifically designed for PHP.

Python HTTP Requests for Humans™ ✨🍰✨

A simple, yet elegant HTTP library.

Classic UI of ManageIQ

Microsoft.Recognizers.Text provides recognition and resolution of numbers, units, and date/time expressed in multiple languages (CN, EN, FR, ES, PT, DE. Partial support for NL, JA, KO). Contributions are greatly welcome! Packages are available at https://

⚙️ Browser devtools extension for debugging Vue.js applications.

A <Video /> component for react-native

GitHub Classroom automates repository creation and access control, making it easy for teachers to distribute starter code and collect assignments on GitHub.

Design patterns implemented in Java

Statically sized arrays for Julia

The Kotlin Programming Language

Erlang build tool that makes it easy to compile and test Erlang applications and releases.

MyPaint is a simple drawing and painting program that works well with Wacom-style graphics tablets.

Apache ZooKeeper

Android application to read your articles saved in your wallabag. You can also easily add new articles.

A free and open-source MMORPG server emulator written in C++

Realtime Web Apps and Dashboards for Python and R

Vert.x is a tool-kit for building reactive applications on the JVM

Abseil Common Libraries (C++)

LibreHealth EHR - Free Open Source Electronic Health Records

Prowler is the Open Cloud Security platform for AWS, Azure, GCP, Kubernetes, M365 and more. It helps for continuous monitoring, security assessments & audits, incident response, compliance, hardening and forensics readiness. Includes CIS, NIST 800, NIST C

Augmentative and Alternative Communication (AAC) system with text-to-speech for the browser

SkyFireEMU is a full featured F/OSS World of Warcraft: Cataclysm emulator written in C++. || Compatible with World of Warcraft client 4.0.6a (Build:13623) || Public DB is located on forum

A terminal emulator for the 21st century.

A process for automating Docker container base image updates.

Audited (formerly acts_as_audited) is an ORM extension that logs all changes to your Rails models.

An easy-to-use, 2D GUI library written entirely in Rust.

Modules to convert numbers to words. 42 --> forty-two

Small, fast and powerful console music player for Unix-like operating systems.

Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono