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

Open source Slack-alternative in Golang and React - Mattermost

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

Interactive Data Visualization in the browser, from Python

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

Cross-platform Rust rewrite of the GNU coreutils

OpenMMLab Semantic Segmentation Toolbox and Benchmark.

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

The Free Software Media System

OpenLayers

The ZAP core project

Osintgram is a OSINT tool on Instagram. It offers an interactive shell to perform analysis on Instagram account of any users by its nickname

lightweight, powerful javascript datetimepicker with no dependencies

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.

Build like a team of hundreds_

An open source trusted cloud native registry project that stores, signs, and scans content.

The Cocoa Dependency Manager.

🗨️ Nextcloud Talk – chat, video & audio calls for Nextcloud

A fully open source & end-to-end encrypted note taking alternative to Evernote.

The Grails Web Application Framework

Build forms in React, without the tears 😭

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

RIOT - The friendly OS for IoT

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.

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

Microsoft Azure SDK for JavaScript (NodeJS & Browser)

Flexible level editor

A flexible level editor

An open source time-series database for fast ingest and SQL queries

🚀 The easiest way to automate building and releasing your iOS and Android apps

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

c:geo - The powerful Android geocaching app.

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

🦄 An open source interface for the Uniswap protocol

UNIX-like reverse engineering framework and command-line toolset

Open-source JavaScript charting library behind Plotly and Dash

A suite of tools for the pdmtgo community

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

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

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.

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. Automate everything from code deployment to network configuration to cloud management, in a language that approaches plain English

Ansible Community General Collection