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

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

Synapse: Matrix homeserver written in Python/Twisted.

SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

Outcome driven agent development framework that evolves

Ruby on Rails

The most widely used Python to C compiler

A distributed task scheduler for Dask

Audio Editor

TrinityCore Open Source MMO Framework (master = 7.3.5.26124, 3.3.5 = 3.3.5a.12340)

Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.

A new type of shell

📱 Nextcloud Android app

Scala 2 bug reports only. Please, no questions — proper bug reports only.

Gazebo classic. For the latest version, see https://github.com/gazebosim/gz-sim

The host/runtime that powers Azure Functions

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

A tool for secrets management, encryption as a service, and privileged access management

The React documentation website

Shopware 6 is an open commerce platform based on Symfony Framework and Vue and supported by a worldwide community and more than 1.500 community extensions

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

Astronomy and astrophysics core library

Prettier is an opinionated code formatter.

A post-modern modal text editor.

A library that provides an embeddable, persistent key-value store for fast storage.

The Sphinx documentation generator

An open source payments switch written in Rust to make payments fast, reliable and affordable

PowerShell for every system!

GirlScript Winter of Contributing is a three-month-long Open-Source Program organized by🧡GirlScript Foundation to create the world's largest multilingual content repository that will be available to everyone.

Workflow Engine for Kubernetes

Cross-platform music production software

SuiteCRM - Open source CRM for the world

Build smaller, faster, and more secure desktop applications with a web frontend.

A lightweight Youtube frontend for Android.

Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.

Friendica Communications Platform

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

Scheduling infrastructure for absolutely everyone.

:tada: A magical vue admin http://panjiachen.github.io/vue-element-admin

An enterprise-class UI design language and React UI library

A PSP emulator for Android, Windows, Mac and Linux, written in C++. Want to contribute? Join us in #ppsspp on freenode (IRC) or just send pull requests / issues. For discussion use the forums on ppsspp.org.

Convert HTML to PDF using Webkit (QtWebKit)

Facebook AI Research Sequence-to-Sequence Toolkit written in Python.

N-D labeled arrays and datasets in Python

The open-source database for the realtime web.

Sentence Embeddings with BERT & XLNet

CircuitVerse Primary Code Base

i3-compatible Wayland compositor

A keyboard-driven, vim-like browser based on PyQt5.

A keyboard-driven, vim-like browser based on PyQt5.