70 open source tools under GPL-2.0

All 70 projects licensed under GPL-2.0, ranked by GitHub stars. Activity and language shown per project; data refreshed nightly.

tools 70 languages 17 license GPL-2.0
01 OBS Studio ★ 79K

Free, open-source software for video recording and live streaming

last push11 hours ago languageC categoryProductivity & Utilities
02 Jellyfin ★ 59K

Self-hosted media server for movies, music, and more

last push2 days ago languageC# categoryMiscellaneous
03 Discourse ★ 48K

Cultivate vibrant online communities with ease

last push10 hours ago languageRuby categoryContent & Publishing
04 LosslessCut ★ 46K

Cut and trim video without re-encoding or quality loss

last push2 days ago languageTypeScript categoryMiscellaneous
05 rocksdb ★ 32K

A library that provides an embeddable, persistent key-value store for fast storage.

last push11 hours ago languageC++ categoryInfrastructure & Operations
06 iTerm 2 ★ 18K

Advanced terminal with modern features for Mac developers

last pushyesterday languageSwift categoryDeveloper Tools
07 WooCommerce ★ 11K

Open-source ecommerce platform for WordPress

last push10 hours ago languagePHP categoryBusiness Software
08 pencil ★ 9.9K

The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.

last push7 days ago languageJavaScript categoryMiscellaneous
09 azerothcore-wotlk ★ 9.1K

Complete Open Source and Modular solution for MMO

last push2 days ago languageC++ categoryMiscellaneous
10 LibreSprite ★ 8.7K

Animated sprite editor & pixel art tool -- Fork of the last GPLv2 commit of Aseprite

last push3 days ago languageC++ categoryMiscellaneous
11 blog ★ 8.6K

AI,Opensource,Database,Business,Finance,Minds. git clone --depth 1 https://github.com/digoal/blog

last push39 hours ago languageHTML categoryInfrastructure & Operations
12 server ★ 8.5K

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers

last push10 hours ago languageC++ categoryAI & Machine Learning
13 aircrack-ng ★ 7.8K

WiFi security auditing tools suite

last push25 days ago languageC categoryBusiness Software
14 ctags ★ 7.3K

A maintained ctags implementation

last push16 hours ago languageC categoryDeveloper Tools
15 WhatWeb ★ 7.0K

Next generation web scanner

last push7 months ago languageRuby categorySecurity & Privacy
16 suricata ★ 6.8K

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata comm

last push21 hours ago languageC categorySecurity & Privacy
17 HeidiSQL ★ 6.3K

A lightweight client for managing MariaDB, MySQL, SQL Server, PostgreSQL, SQLite, Interbase and Firebird, written in Delphi and Lazarus/FreePascal

last push11 hours ago languagePascal categoryInfrastructure & Operations
18 QOwnNotes ★ 5.9K

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

last push11 hours ago languageC++ categoryProductivity & Utilities
19 joomla-cms ★ 5.2K

Home of the Joomla! Content Management System

last push15 hours ago languagePHP categoryContent & Publishing
20 s-tui ★ 5.1K

Terminal-based CPU stress and monitoring utility

last push2 months ago languagePython categoryInfrastructure & Operations
21 ossec-hids ★ 5.1K

OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-ti

last push10 hours ago languageC categoryBusiness Software
22 dokuwiki ★ 4.7K

The DokuWiki Open Source Wiki Engine

last push1 months ago languagePHP categoryContent & Publishing
23 doublecmd ★ 4.7K

Double Commander is a free cross platform open source file manager with two panels side by side.

last push10 hours ago languagePascal categoryProductivity & Utilities
24 pdns ★ 4.5K

PowerDNS Authoritative, PowerDNS Recursor, dnsdist

last push14 hours ago languageC++ categoryInfrastructure & Operations
25 freeplane ★ 4.4K

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

last push4 days ago languageJava categoryBusiness Software
26 Piwigo ★ 3.9K

Organize thousands of photos with ease

last push14 hours ago languagePHP categoryContent & Publishing
27 geany ★ 3.7K

A fast and lightweight IDE

last push34 hours ago languageC categoryDeveloper Tools
28 fheroes2 ★ 3.7K

fheroes2 is a recreation of Heroes of Might and Magic II game engine

last push22 hours ago languageC++ categoryMiscellaneous
29 proguard ★ 3.7K

ProGuard, Java optimizer and obfuscator

last push4 days ago languageJava categoryDeveloper Tools
30 sysstat ★ 3.4K

Performance monitoring tools for Linux

last push23 hours ago languageC categoryInfrastructure & Operations
31 figma-linux ★ 3.3K

Figma is the first interface design tool based in the browser, making it easier for teams to create software. Join us in https://t.me/figma_linux

last push10 months ago languageSvelte categoryMiscellaneous
32 vifm ★ 3.3K

Vifm is a file manager with curses interface, which provides Vim-like environment for managing objects within file systems, extended with some useful ideas from

last push9 days ago languageC categoryProductivity & Utilities
33 android-titanium-browser ★ 3.1K

Secure open-source Android browser with support for extensions

last push4 days ago languageShell categoryProductivity & Utilities
34 Misago ★ 2.8K

Misago is fully featured modern forum application that is fast, scalable and responsive.

last push2 days ago languagePython categoryContent & Publishing
35 mindforger ★ 2.7K

Thinking notebook and Markdown editor.

last push5 days ago languageC++ categoryProductivity & Utilities
36 OpenWebAnalytics ★ 2.7K

Powerful, customizable web analytics for your site

last push11 hours ago languagePHP categoryData & Analytics
37 UniversalMediaServer ★ 2.7K

A DLNA, UPnP and HTTP(S) Media Server.

last push15 hours ago languageJava categoryContent & Publishing
38 Checkmk ★ 2.6K

Complete IT infrastructure monitoring made simple

last push16 hours ago languagePython categoryInfrastructure & Operations
39 chitchatter ★ 2.3K

Secure peer-to-peer chat that is serverless, decentralized, and ephemeral

last push27 hours ago languageTypeScript categoryBusiness Software
40 OpenJK ★ 2.3K

Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

last push1 months ago languageC++ categoryMiscellaneous
41 rtp2httpd ★ 2.3K

Multicast RTP/RTSP to Unicast HTTP stream converter, with built-in web player, status dashboard, fast channel change support, and more!

last push38 hours ago languageC categoryMiscellaneous
42 moneymanagerex ★ 2.3K

Money Manager Ex is an easy to use, money management application built with wxWidgets

last pushyesterday languageC++ categoryBusiness Software
43 Nagios ★ 2.1K

Complete infrastructure monitoring with 25+ years of expertise

last push7 days ago languageC categoryInfrastructure & Operations
44 projectsend ★ 2.0K

Share files with your clients, from your own server. Free, open source (GPLv2), self-hosted — or use ProjectSend Cloud, the official hosted version run by the s

last push5 days ago languagePHP categoryProductivity & Utilities
45 icestudio ★ 1.9K

:snowflake: Visual editor for open FPGA boards

last push16 days ago languageJavaScript categoryDeveloper Tools
46 forgottenserver ★ 1.8K

A free and open-source MMORPG server emulator written in C++

last push25 hours ago languageC++ categoryMiscellaneous
47 0xtools ★ 1.8K

0x.Tools: X-Ray vision for Linux systems

last push11 months ago languagePython categoryInfrastructure & Operations
48 revolution ★ 1.4K

MODX Revolution - Content Management Framework

last push5 days ago languagePHP categoryContent & Publishing
49 MarvellousSuspender ★ 1.4K

A free, open-source Chrome extension - no ads, no tracking. Based on The Great Suspender, cleaned up and actively maintained.

last push5 days ago languageJavaScript categoryProductivity & Utilities
50 parsera ★ 1.4K

Lightweight library for scraping web-sites with LLMs

last push11 months ago languagePython categoryData & Analytics
51 htmly ★ 1.4K

Simple and fast databaseless PHP blogging platform, and Flat-File CMS

last push9 months ago languagePHP categoryContent & Publishing
52 Muximux ★ 1.2K

A self-hosted homelab dashboard with an optional built-in reverse proxy that makes stubborn apps work in iframes

last push4 days ago languageGo categoryInfrastructure & Operations
53 typo3 ★ 1.2K

The TYPO3 Core - Enterprise Content Management System. Synchronized mirror of https://review.typo3.org/q/project:Packages/TYPO3.CMS

last push11 hours ago languagePHP categoryContent & Publishing
54 rt ★ 1.2K

Request Tracker, an enterprise-grade issue tracking system

last push10 hours ago languagePerl categoryBusiness Software
55 iptv-tool ★ 1.2K

IPTV工具箱, Docker🐳部署,支持EPG管理、直播源管理、台标管理,兼容DIYP/百川、超级直播及xmltv格式。

last push12 days ago languagePHP categoryMiscellaneous
56 fossology ★ 1.0K

FOSSology is an open source license compliance software system and toolkit. As a toolkit you can run license, copyright and export control scans from the comma

last push17 hours ago languageHTML categoryBusiness Software
57 textpattern ★ 883

A flexible, elegant, fast and easy-to-use content management system written in PHP.

last push12 hours ago languagePHP categoryContent & Publishing
58 dradis-ce ★ 845

Dradis Framework: Collaboration and reporting for IT Security teams

last push15 hours ago languageRuby categoryBusiness Software
59 davmail ★ 774

DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

last push13 hours ago languageJava categoryDeveloper Tools
60 WireGuard ★ 735

Fast, minimal VPN built on modern cryptography

last push6 months ago languageC categorySecurity & Privacy
61 stendhal ★ 706

Stendhal is a fun friendly and free multiplayer online adventure game with an old school feel.

last push4 months ago languageJava categoryMiscellaneous
62 guider ★ 683

The All-in-One System Profiling and Fault Detection Tool for Linux & Android

last push21 hours ago languagePython categoryInfrastructure & Operations
63 canary ★ 666

Canary Server 15.25 for OpenTibia community.

last push12 hours ago languageLua categoryMiscellaneous
64 gloc ★ 653

Browser extension: counts lines of code on GitHub

last push12 months ago languageTypeScript categoryInfrastructure & Operations
65 rosariosis ★ 650

RosarioSIS Student Information System for school management.

last push18 hours ago languagePHP categoryContent & Publishing
66 lightway-core ★ 626

Lightway Core is a modern VPN protocol by ExpressVPN, to deliver a VPN experience that’s faster, more secure, and more reliable.

last push7 months ago languageC categoryInfrastructure & Operations
67 faction ★ 604

Pen Test Report Generation and Assessment Collaboration

last push1 months ago languageJava categoryData & Analytics
68 wazuh-dashboard-plugins ★ 530

Plugins for Wazuh Dashboard

last push14 hours ago languageTypeScript categoryBusiness Software
69 pki ★ 514

The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key ar

last push19 hours ago languageJava categorySecurity & Privacy
70 Justnote ★ 67

Privacy-focused note-taking made simple and fast

last push9 months ago languageTypeScript categoryProductivity & Utilities

← all licenses explained

Frequently asked questions

What can I do with GPL-2.0-licensed code?

You can use, modify and redistribute it.

What does the GPL-2.0 licence require?

You must release derivatives under GPL-2.0 and supply the source.

What does GPL-2.0 prohibit?

You cannot combine it with code you distribute under incompatible terms. GPL-2.0 is not the only option — GPL-3.0, which adds anti-tivoisation and patent terms is the nearest licence in common use.

Which open source projects use the GPL-2.0 licence?

70 projects in this registry use GPL-2.0, with 493,219 GitHub stars between them across 17 languages. The most-adopted is OBS Studio with 78,841 stars, and 60 of the 70 received a commit in the last 90 days.