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

opam is a source-based package manager. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

:bar_chart: A D3-based reusable chart library

A D3-based reusable chart library

Distributed Task Queue (development branch)

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

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

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

WordPress for Android

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

A fast JSON parser/generator for C++ with both SAX/DOM style API

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

Apache Maven core

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

👽 API request builder - Helps you create your requests faster, saving you precious time on your development https://postwoman.io

👽 Open source API development ecosystem - https://hoppscotch.io

The Cloud Native Application Proxy

🐠 Babel is a compiler for writing next generation JavaScript.

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.

The Prometheus monitoring system and time series database.

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.

The Serenity Operating System 🐞

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

One framework for creating powerful cross-platform games.

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

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

Making Docker and Kubernetes management easy.

An open-source & self-hostable Heroku / Netlify / Vercel alternative.

Google core libraries for Java

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

OpenTelemetry Collector

A fancy self-hosted monitoring tool

music library manager and MusicBrainz tagger

Global Extensible Open Power Manager

Next generation frontend tooling. It's fast!

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

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

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

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

Bitcoin Core integration/staging tree

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

MODX Revolution - Content Management Framework

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

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

Bears for coala

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