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

Signal — Private Messenger for Windows, Mac, and Linux

OpenLayers

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

IPFS implementation in go

The ZAP core project

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

OpenMMLab Semantic Segmentation Toolbox and Benchmark.

Video.js - open source HTML5 video player

CKAN is an open-source DMS (data management system) for powering data hubs and data portals. CKAN makes it easy to publish, share and use data. It powers catalog.data.gov, open.canada.ca/data, data.humdata.org among many other sites.

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

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

🦋 Rakudo – Raku on MoarVM, JVM, and JS

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.

lightweight, powerful javascript datetimepicker with no dependencies

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

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

Flexible level editor

A fancy self-hosted monitoring tool

A flexible level editor

The Free Software Media System

The Cocoa Dependency Manager.

Build forms in React, without the tears 😭

A web interface for MySQL and MariaDB

🔎 Open source distributed and RESTful search engine.

The Grails Web Application Framework

🦄 An open source interface for the Uniswap protocol

A dock for the Gnome Shell. This extension moves the dash out of the overview transforming it in a dock for an easier launching of applications and a faster switching between windows and desktops.

c:geo - The powerful Android geocaching app.

coala provides a unified command-line interface for linting and fixing all your code, regardless of the programming languages you use.

The world's simplest facial recognition api for Python and the command line

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

Json.NET is a popular high-performance JSON framework for .NET

Next generation frontend tooling. It's fast!

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.

:zap: Universal Workflow Orchestration Platform — Code in any language, run anywhere. 900+ plugins for data, infrastructure, and AI automation.

the package manager for JavaScript

Welcome to a calmer internet

⚠️ This project is not maintained anymore! Please go to https://github.com/visjs

Simplifies building hypermedia-driven REST web services on top of Spring Data repositories

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

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

Open-source JavaScript charting library behind Plotly and Dash

the future face of osu!

The personal finance app for everyone (by everyone)

Bitcoin Core integration/staging tree