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

DX Scanner allows you to measure quality of an app based on your source code.

A set of tools to encode, inspect, and decode audio in the Opus format.

Combines. minifies, and serves CSS or Javascript files

Powerful, simple, audio tag editor for GNU/Linux

Catch common Java mistakes as compile-time errors

Mixxx is Free DJ software that gives you everything you need to perform live mixes.

Haskell source code suggestions

GemRB is a portable open-source implementation of Bioware’s Infinity Engine.

libheif is a ISO/IEC 23008-12:2017 HEIF file format decoder and encoder.

The continuation of the venerable JA2-Stracciatella project.

A free and open-source Touhou Project fangame

a community wiki for improving code quality

Configurable tool for writing clean, consistent SCSS

Linux file system lint checker/cleaner

Friendly machine learning for the web! 🤖

Validator for SQLAlchemy Models

A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.

A modern JSON library for Kotlin and Java.

dvtm brings the concept of tiling window management, popularized by X11-window managers like dwm to the console. As a console window manager it tries to make it easy to work with multiple console based programs.

Free live chat widget linked to your Telegram messenger

Easily exclude node modules in Webpack

OSv, a new operating system for the cloud.

Cloudify's manager related code

Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.

Input validation using Swagger (Open API) and ajv

🎥 Command line video player

A static website and blog generator

Lightweight service virtualization/API simulation tool for developers and testers

RawCMS is the headless CMS written in asp.net core build for developers that embrace API first technology.

The Developer Tools Panel for WordPress

Nested Routers for Django Rest Framework

A modern editor with a backend written in Rust.

A pure javascript QR code reading library. This library takes in raw images and will locate, extract and parse any QR code found within.

program python in real-time

A fast CSV command line toolkit written in Rust.

Save your time watching videos. Removes silent parts from the video on the fly.

🦋 Rakudo – Raku on MoarVM, JVM, and JS

Create structured, declarative and beautifully organized class-based controllers with heavy decorators usage in Express / Koa using TypeScript and Routing Controllers Framework.

Monk is a low code Deep Learning tool and a unified wrapper for Computer Vision.

Amazon Cognito Identity SDK for JavaScript

Zipkin is a distributed tracing system

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Simple, scalable state management.

lightweight, powerful javascript datetimepicker with no dependencies

Fully portable & lightweight ZIM reader in Javascript

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

Nextstrain build for novel coronavirus (nCoV)

Models of COVID-19 outbreak trajectories and hospital demand

The Design Token Framework — Adopt a unified design language across platforms, codebases, and teams