Software using the MIT license

REDIRECT Tiling window manager#wmii

free and open-source 3D engine based on the CryEngine

free and open-source blogging platform

free software content management system written in PHP

DuckDB is an open-source column-oriented Relational Database Management System (RDBMS). It is designed to provide high performance on complex queries against large databases in embedded configuration, such as combining tables with hundreds of columns and billions of rows. Unlike other embedded databases (for example, SQLite) DuckDB is not focusing on transactional (OLTP) applications and instead is specialized for online analytical processing (OLAP) workloads. The project has over 6 million downloads per month.

NUnit is an open-source unit testing framework for .NET, .NET Framework, and Mono. It serves the same purpose as JUnit does in the Java world, and is one of many in the xUnit family.

ZZT is a 1991 action-adventure puzzle video game and game creation system developed and published by Potomac Computer Systems for MS-DOS. It was later released as freeware in 1997. It is an early game allowing user-generated content using object-oriented programming. Players control a smiley face to battle various creatures and solve puzzles in different grid-based boards in a chosen world. It has four worlds where players explore different boards and interact with objects such as ammo, bombs, and scrolls to reach the end of the game. It includes an in-game editor, allowing players to develop

SVG-edit is a web-based free and open-source vector graphics editor. It can be used to create and edit Scalable Vector Graphics (SVG) images from within a web browser, not requiring additional software installation.

TIC-80 is a free and open-source fantasy video game console for making, playing, and sharing games on a limited platform that mimics the 8-bit systems of the 1980s. It has built-in code, sprite, map, music, and sound effect editors, as well as a command line interface that allow users to develop and edit games within the fantasy console.

alternative SSH-server and client

LBRY (pronounced "library") is a blockchain-based file-sharing and payment network that is primarily used for social networks and video platforms.

Yabasic (Yet Another BASIC) is a free, open-source BASIC interpreter for Microsoft Windows and Unix platforms. Yabasic was originally developed by Marc-Oliver Ihm. From version 2.77.1, the project adopted the MIT License and the source code was moved to GitHub to encourage others to participate in its development.

General-purpose programming language inspired by Go, Kotlin, Oberon, Python, Rust, and Swift

set of tools for HTML and CSS coders, formerly known as Zen Coding

Mari0 (pronounced "mari-zero") is a 2012 side-scrolling platform video game developed by German indie developer Maurice Guégan with creative input from Sašo Smolej and released onto their website Stabyourself.net. It combines gameplay elements from Nintendo's Super Mario series and Valve's Portal series. The game features Mario armed with a "portal gun", the main game mechanic in the Portal series, allowing him to create two inter-spatial portals on 2-dimensional surfaces which can transport himself, enemies and other objects through them. It was made with the LÖVE game framework.

waifu2x is an image scaling and noise reduction program for anime-style art and other types of photos.

experimental computer operating system

Vimperator is a discontinued Firefox extension forked from the original Firefox extension version of Conkeror and designed to provide a more efficient user interface for keyboard-fluent users. The design is heavily inspired by the Vim text editor, and the authors try to maintain consistency with it wherever possible.

style sheet language

movie making program by Microsoft

PostCSS is a software development tool that uses JavaScript-based plugins to automate routine CSS operations. It was designed by Andrey Sitnik with the idea taking its origin in his front-end work for Evil Martians.

S&box (pronounced Sandbox) is an upcoming open source video game development platform and engine by Facepunch Studios. It is built using a heavily modified Source 2 engine and will be released on April 28, 2026. S&box is intended to be a spiritual successor to ''Garry's Mod'' and is designed to allow users to create a variety of games and experiences.

2000 video game

set of tools and libraries for developing device drivers under Microsoft Windows

FuelPHP is an open-source web application framework written in PHP which implements the HMVC pattern.

Rclone is an open source, multi threaded, command line computer program to manage or migrate content on cloud and other high latency storage. Its capabilities include sync, transfer, crypt, cache, union, compress and mount. The rclone website lists supported backends including S3 and Google Drive.

thumb|Benoit Chesneau, author of Gunicorn

1983 video game

text editor and IDE

game engine developed by GarageGames

QUnit is a JavaScript framework for unit testing. Originally developed for testing jQuery, jQuery UI and jQuery Mobile, it is a generic framework for testing any JavaScript code. It supports client-side environments in web browsers, and server-side (e.g. Node.js).

testing framework for JavaScript

open-source web server software

collection of APIs used in cryptography, written in Java and C#

web design front-end framework

experimental Unix-like distributed operating system

Merb is a discontinued model–view–controller web framework in Ruby, notable as a precursor to Rails 3. It brought increased focus on speed and modularity to Rails 3. The name Merb is a contraction of "Mongrel" and "Erb".

Simple Logging Facade for Java (SLF4J) provides a Java logging API by means of a simple facade pattern. The underlying logging backend is determined at runtime by adding the desired binding to the classpath and may be the standard Sun Java logging package java.util.logging, Log4j, Reload4j, Logback or tinylog.

ncdu (NCurses Disk Usage) is a disk utility for Unix systems. Its name refers to its similar purpose to the du utility, but ncdu uses a text-based user interface under the [n]curses programming library. Users can navigate the list using the arrow keys and delete files that are taking up too much space by pressing the 'd' key. It provides a swift and efficient way to view directories that are taking up disk space, and was primarily meant for remote shells. It runs on UNIX-based systems, such as Linux, BSD, and POSIX. Users can install ncdu by running a package manager command in their terminal

Chart.js is a free, open-source JavaScript library for data visualization, which supports eight chart types: bar, line, area, pie (doughnut), bubble, radar, polar, and scatter. Created by London-based web developer Nick Downie in 2013, now it is maintained by the community and is the second most popular JavaScript charting library on GitHub by the number of stars after D3.js, considered significantly easier to use though less customizable than the latter. Chart.js renders in HTML5 canvas and is widely covered as one of the best data visualization libraries. It is available under the MIT licens

set of open-source compilers

free tool from Windows Sysinternals, part of the Microsoft TechNet website.

Qcodo is an open-source PHP web application framework which builds an object-relational model (ORM), CRUD (create, retrieve, update, delete) UI pages, and AJAX hooks from an existing data model. It additionally includes a tightly integrated HTML and JavaScript form toolkit which interfaces directly with the generated entities. It is a robust, comprehensive framework which can be utilized by small and large Web applications alike.

thumb|Toyota Prius with openpilot installed thumb|An old version of Cabana, a CAN Bus traffic visualiser, now part of openpilot tools thumb|A user annotating a drive openpilot is an open-source, semi-automated driving software by comma.ai, Inc. When paired with comma hardware, it replaces advanced driver-assistance systems in various cars, improving over the original system. As of 2025, openpilot supports 325+ car models and has 10 000+ users, accumulating over .

Blosxom is a free-software weblog program (and simple content management system) written in Perl by Rael Dornfest. It uses the pre-existing file system instead of a database management system, unlike most blog software.

X-Road is a centrally managed distributed Data Exchange Layer (DXL) between information systems. Organizations can exchange information over the Internet using X-Road to ensure confidentiality, integrity and interoperability between data exchange parties.

GraphicsMagick is a fork of ImageMagick, emphasizing stability of both programming API and command-line options. It was branched off ImageMagick's version 5.5.2 in 2002 after irreconcilable differences emerged in the developers' group.

desktop app for developing and publishing blog posts

GPUOpen is a middleware software suite originally developed by AMD's Radeon Technologies Group that offers advanced visual effects for computer games. It was released in 2016. GPUOpen serves as an alternative to, and a direct competitor of Nvidia GameWorks. GPUOpen is similar to GameWorks in that it encompasses several different graphics technologies as its main components that were previously independent and separate from one another. However, GPUOpen is partially open source software, unlike GameWorks which is proprietary and closed.

llama.cpp is an open source software library that performs inference on various large language models such as Llama. It is co-developed alongside the project, a general-purpose tensor library.

project aimed at preserving browser games and Flash animations

freeglut is an open-source alternative to the OpenGL Utility Toolkit (GLUT) library. GLUT (and hence freeglut) enables the user to create and manage windows containing OpenGL contexts on a wide range of platforms and also read the mouse, keyboard and joystick functions. freeglut is intended to be a full replacement for GLUT, and has only a few differences.

blog software

mruby is an interpreter for the Ruby programming language with the intention of being lightweight and easily embeddable. The project is headed by Yukihiro Matsumoto, with over 100 contributors currently working on the project.

py2exe is a Python extension which converts Python scripts (.py) into Microsoft Windows executables (.exe). These executables can run on a system without Python installed. It is the most common tool for doing so.

video game

software that restores several Windows user interface (Shell) features

The Current UMDF version is UMDF2.0 released with Windows Driver Kit(WDK) 8.1 and can be run in Windows 8.1

software

PortAudio is an open-source computer library for audio playback and recording. It is a cross-platform library, so programs using it can run on many different computer operating systems, including Windows, Mac OS X and Linux. PortAudio supports Core Audio, ALSA, and MME, DirectSound, ASIO and WASAPI on Windows. Like other libraries whose primary goal is portability, PortAudio is written in the C programming language. It has also been implemented in the languages PureBasic and Lazarus/Free Pascal. PortAudio is based on a callback paradigm, similar to JACK and ASIO.