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

Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

Penpot - The Open-Source design & prototyping platform

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

WordPress for Android

Materialize, a CSS Framework based on Material Design

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

fabric8 is an open source microservices platform based on Docker, Kubernetes and Jenkins

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

[DEPRECATED] Mist. Browse and use Ðapps on the Ethereum network.

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

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.

Flexible level editor

A flexible level editor

A fancy self-hosted monitoring tool

DuckDB is an in-process SQL OLAP Database Management System

:bar_chart: A D3-based reusable chart library

A D3-based reusable chart library

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

🐠 Babel is a compiler for writing next generation JavaScript.

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

Next generation frontend tooling. It's fast!

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

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

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with LlamaIndex, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

One framework for creating powerful cross-platform games.

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

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.

Google core libraries for Java

Apache Maven core

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

The Serenity Operating System 🐞

A scalable, distributed, collaborative, document-graph database, for the realtime web

Making Docker and Kubernetes management easy.

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

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

Global Extensible Open Power Manager

OpenTelemetry Collector

Bitcoin Core integration/staging tree

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

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

Unit, API & Integration Testing Agent for Developers. Generate tests, mocks/stubs for your APIs that actually work!