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

Shuttle Music Player

The .NET MVVM framework for cross-platform solutions, including Xamarin.iOS, Xamarin.Android, Windows and Mac.

Tessel 2 Command Line Interface

IRC Client for Mac

What if you never had to write CSS again?

Connect your local process and your cloud environment, and run local code in cloud conditions.

A Content Editor for GitHub.

Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.

Mastering Bitcoin 2nd Edition - Programming the Open Blockchain

Store model history and view/revert changes from admin site.

Development Containers: Use a container as a full-featured development environment.

Lagoon, the developer-focused application delivery platform

Async version of the Rust standard library

📘 The interactive computing suite for you! ✨

The Erlang Language Server

A common platform for PowerShell development support in any editor or application!

OWASP BLT is a bug logging tool to report issues and get points, companies are held accountable.

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

Zotonic - The Erlang Web Framework & CMS

TorchGeo: datasets, samplers, transforms, and pre-trained models for geospatial data

DEPRECATED Gallery app was replaced by Photos

⏱ A library for working with dates and times in JS

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

A habit tracker app which treats your goals like a Role Playing Game.

A Really Ruby Mail Library

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

Il software gestionale open source per l'assistenza tecnica e la fatturazione

Winetricks is an easy way to work around problems in Wine

A Photoshop PSD file parser for NodeJS and browsers

Kubernetes-native system managing the full lifecycle of conformant Kubernetes clusters as a service on Alicloud, AWS, Azure, GCP, OpenStack, vSphere, KubeVirt, Hetzner, EquinixMetal, MetalStack, and OnMetal with minimal TCO.

IDE-style autocomplete for your existing terminal & shell

Next generation distributed, event-driven, parallel config management!

ActiveModel::Serializer implementation and Rails hooks

PyNE: The Nuclear Engineering Toolkit

Pledge your respect and appreciation for contributors of all kinds to your open source project.

Easy, clean, reliable Python 2/3 compatibility

The configuration framework for Zsh

Date and time library for Rust

:rainbow: Node.js bindings to libsass

:books: The Open Source Discovery Service

Physical quantities with arbitrary units

🚀 Yet another project to get beginners contributing to open source 🔰

💫 Industrial-strength Natural Language Processing (NLP) with Python and Cython

Dart and Flutter support for Visual Studio Code (VS Code).

🚀✨ Help beginners to contribute to open source projects

Victron Energy Unix/Linux OS

The next gen ls command

Build and Deploy java applications on Kubernetes

Helper application for Linux distributions serving as a kind of "entry point" for running and integrating AppImages