GNU General Public License is a free software license published by the Free Software Foundation whose main terms guarantee users the freedom to share and change the software.

A free Windows-compatible Operating System

• UpdatedFeb 20, 2026
• C

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 mutt.

• UpdatedFeb 19, 2026
• C

Curated list of open-source, free as in freedom software.

• UpdatedApr 29, 2025

rusefi - GPL internal combustion engine control unit

• UpdatedFeb 20, 2026
• C

Exim Mail Transport Agent - source, testsuite and documentation

• UpdatedDec 29, 2025
• C

The classic, refined DOOM source port. For Windows PC.

• UpdatedFeb 19, 2026
• C

An Ultima Online server emulator written in C# .NET

• UpdatedJan 24, 2026
• C#

Android screen filter app for night time phone use.

• UpdatedFeb 19, 2026
• Kotlin

A lightweight, powerful CSV editor for macOS, Windows and Linux — with built-in JavaScript macros.

• UpdatedMay 22, 2025
• C++

Mirror of official GWpy project on GitLab

• UpdatedFeb 3, 2026
• Python

High performance & Scalable Ultima Online Server Emulator

• UpdatedFeb 17, 2026
• C#

🍬 All-new engine of the@GreenteaOS

• UpdatedNov 23, 2025
• TypeScript

GPL Electronic Design Automation

• UpdatedFeb 13, 2026
• C

Frosted: Free POSIX OS for tiny embedded devices

• UpdatedFeb 5, 2024
• C

An extended fork of GNU Unifont with a focus on high compatibility.

• UpdatedFeb 9, 2026
• C

🍵 User-space of the@GreenteaOS

• UpdatedOct 21, 2025

This is the main geOrchestra Spatial Data Infrastructure repository, which hosts the source code.

• UpdatedFeb 19, 2026
• Java

Visual Composer Starter theme for WordPress designed to be a perfect companion for a simple and good looking website or blog.

• UpdatedAug 27, 2024
• PHP

ZFS pool monitoring and notification daemon

• UpdatedJun 21, 2024
• Go

FAST App Search Tool

• UpdatedOct 29, 2022
• Java