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

📊 Cube — The Semantic Layer for Building Data Applications

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

A modern and intuitive terminal-based text editor

Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.

All Algorithms implemented in Python

An open-source cross-platform alternative to AirDrop

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

Modern UI for Ansible, Terraform, OpenTofu, Bash, Pulumi.

JRuby, an implementation of Ruby on the JVM

A new bootable USB solution.

Monorepo for tools developed by the Rush Stack community

📦🐈 Active development trunk for Yarn ⚒

Home of the Joomla! Content Management System

Simple, modern & fast web-based email client

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, Gitlab, GitHub and Open Project.

Format Rust code

Format Rust code

Repository for tracking module requests

IPFS implementation in go

One webpage for every book ever published!

Signal — Private Messenger for Windows, Mac, and Linux

A VIM-inspired filemanager for the console

Space exploration, trading, and combat game.

Cross-platform Rust rewrite of the GNU coreutils

A JavaScript checker and optimizer.

The headless editor framework for web artisans.

Web Experience Toolkit (WET): Open source code library for building innovative websites that are accessible, usable, interoperable, mobile-friendly and multilingual. This collaborative open source project is led by the Government of Canada.

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

The Intuitive Vue Framework.

Routing and navigation for your React Native apps

Image processing in Python

The HTML Presentation Framework

📆 Calendar app for Nextcloud

RSS reader for macOS and iOS.

A web interface for MySQL and MariaDB

Lightning-fast and Powerful Code Editor written in Rust

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.

Interactive Data Visualization in the browser, from Python

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

NOVA opeN sOurce Video plAyer: main repository to build them all

Label Studio is a multi-type data labeling and annotation tool with standardized output format

OpenMMLab Semantic Segmentation Toolbox and Benchmark.

🦋 Rakudo – Raku on MoarVM, JVM, and JS

Open source Slack-alternative in Golang and React - Mattermost

Easy and Repeatable Kubernetes Development

OpenLayers