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

Personal CRM. Remember everything about your friends, family and business relationships.

🍱 Kanban-style project & personal management tool for Nextcloud, similar to Trello

🐠 Babel is a compiler for writing next generation JavaScript.

Collection of handy online tools for developers, with great UX.

3D plotting and mesh analysis through a streamlined interface for the Visualization Toolkit (VTK)

Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

Self-hosted photo and video backup solution directly from your mobile phone.

The Cloud Native Application Proxy

Bitcoin Core integration/staging tree

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

The Serenity Operating System 🐞

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

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

wallabag is a self hostable application for saving web pages: Save and classify articles. Read them later. Freely.

The Markdown-based note-taking app that doesn't suck.

🎧 Open source music client! Available for both desktop & mobile!

Apache Maven core

One framework for creating powerful cross-platform games.

Cross-platform Rust rewrite of the GNU coreutils

BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.

Google core libraries for Java

The FRRouting Protocol Suite

Global Extensible Open Power Manager

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

Making Docker and Kubernetes management easy.

Modin: Scale your Pandas workflows by changing a single line of code

🚀 10x easier, 🚀 140x lower storage cost, 🚀 high performance, 🚀 petabyte scale - Elasticsearch/Splunk/Datadog alternative for 🚀 (logs, metrics, traces, RUM, Error tracking, Session replay).

The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons

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

Federated (ActivityPub) video streaming platform using P2P (BitTorrent) directly in the web browser with WebTorrent and Angular.

Theano is a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. It can use GPUs and perform efficient symbolic differentiation.

lichess.org mobile application

Microsoft Azure SDK for JavaScript (NodeJS & Browser)

The repository for high quality TypeScript type definitions.

Bears for coala

Create agents that monitor and act on your behalf. Your agents are standing by!

Create agents that monitor and act on your behalf. Your agents are standing by!

Quasar Framework - Build high-performance VueJS user interfaces in record time

A fancy self-hosted monitoring tool

SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files! Blob store has O(1) disk seek, cloud tiering. Filer supports Cloud Drive, cross-DC active-active replication, Kubernetes, POSIX FUSE mount, S3

SVG icons for popular brands

E2E test framework for Angular apps

OpenTelemetry Collector

Highcharts JS, the JavaScript charting framework

Main Liquibase Source

The core OCaml system: compilers, runtime system, base libraries

🐉 Vue Component Framework

:gem: A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.