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

Universal markup converter

Semantic is a UI component framework based around useful principles from natural language.

Apache NetBeans

🆔 The easy-to-use OpenStreetMap editor in JavaScript.

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

Memory hacking library for Dwarf Fortress and a set of tools that use it

The Python package installer

A free open source IT asset/license management system

A terminal built on web technologies

Collabora Online is a collaborative online office suite based on LibreOffice technology. This is also the source for the Collabora Office apps for iOS and Android.

Free (libre) font editor for Windows, Mac OS X and GNU+Linux

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

A design system built by IBM

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

Official docs, website, and handbook for PostHog.

A powerful cross-platform raw photo processing program

web development, streamlined

Main UserLAnd Repository

☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

Focus on what matters instead of fighting with Git.

The AMP web component framework.

K-9 Mail – Open Source Email App for Android

K-9 Mail – Advanced Email for Android 📧

Deep learning framework to train, deploy, and ship AI products Lightning fast.

The lightweight PyTorch wrapper for high-performance AI research. Scale your models, not the boilerplate.

Cybernetically enhanced web apps

:atom: The hackable text editor

A Django content management system focused on flexibility and user experience

GitHub’s official command line tool

Contrib repository for the OpenTelemetry Collector

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

eBPF-based Networking, Security, and Observability

Very spicy additions to the Java programming language.

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: http://trello.com/b/8txSM12G/roadmap

📱 Nextcloud iOS App

An easy-to-use multi SQL dialect ORM for Node.js

A React-based UI toolkit for the web

Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. 🚀

🌍 Planet Learning - Angular application

💌 Mail app for Nextcloud

📊 Cube — The Semantic Layer for Building Data Applications

Dubbo is a high-performance, java based, open source RPC framework

The java implementation of Apache Dubbo. An RPC and microservice framework.

A React framework for building text editors.

Angular Smart Data Table component

Wikidata-based scholarly profiles