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

c:geo - The powerful Android geocaching app.

Franz is a free messaging app for services like WhatsApp, Slack, Messenger and many more.

a free (libre) open source, mobile OS for Ethereum

A curated list of awesome Python frameworks, libraries, software and resources

Universal markup converter

The HTML Presentation Framework

The Ethereum Improvement Proposal repository

A multi-platform .NET UI framework

Oni: Modern Modal Editing - powered by Neovim

This repo contains the .NET Core command-line (CLI) tools, used for building .NET Core apps and libraries through your development flow (compiling, NuGet package management, running, testing, ...).

One webpage for every book ever published!

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a comma

A CMS for Static Site Generators

A private messenger for Android.

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

A web interface for MySQL and MariaDB

A browser automation framework and ecosystem.

KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.

A markdown editor for developers on Mac, Windows and Linux.

Style and Grammar Checker for 25+ Languages

the future face of osu!

Where programmers share ideas and help each other grow

Interactive UI component dev & test: React, React Native, Vue, Angular

Yii 2: The Fast, Secure and Professional PHP Framework

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders," modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ...

Mirror of Apache Spark

:leaves: JavaScript library for mobile-friendly interactive maps

A scalable, distributed Time Series Database.

Research platform for new language concepts and compiler technologies for Scala.

EssentialsX - A maintained fork of Essentials 2.x.

The user-friendly command line shell.

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

Native port of Open Food Facts on Android - We need HELP :-)

:speech_balloon: A community-driven python bot that aims to be as simple as possible to serve humans with their everyday tasks

Open source Slack-alternative in Golang and React - Mattermost

Open source Slack-alternative in Golang and React - Mattermost

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

Apache OpenWhisk is a serverless event-based programming service and an Apache Incubator project.

A MongoDB based Eloquent model and Query builder for Laravel (Moloquent)

Distributed computation in Python

Multi Theft Auto is a game engine that adds full network multiplayer functionality to Rockstar North's Grand Theft Auto game series, in which this functionality is not originally found.

AngularJS - HTML enhanced for web apps!

Parallel computing with task scheduling

Interactive Web Plotting for Python

The easy-to-use OpenStreetMap editor in JavaScript.

Compass is no longer actively maintained. Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain.

Leading Open Source Container Attached Storage, built using Cloud Native Architecture, simplifies running Stateful Applications on Kubernetes.

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.