Godot Engine – Multi-platform 2D and 3D game engine

Tesseract Open Source OCR Engine (main repository)

Self-hosted game stream host for Moonlight.

An open autonomous driving platform

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

SQL powered operating system instrumentation, monitoring, and analytics.

Haptic input knob with software-defined endstops and virtual detents

PlayStation 3 emulator and debugger

GameStream client for PCs (Windows, Mac, Linux, and Steam Link)

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Media Player Classic

The 7-Zip derivative intended for the modern Windows experience

The 2013 edition of the Source SDK

Run GGUF models easily with a KoboldAI UI. One File. Zero Install.

Easy to use device for connecting "old" measuring units (water, power, gas, ...) to the digital world

Synchronous multiroom audio player

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

A Non-Euclidean Rendering Engine for 3D scenes.

Local AI API Platform

Fork of JPEGView by David Kleiner - fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided -…

nomacs is a free image viewer for windows, linux, and mac systems.

Interactively grep source code. Source for http://livegrep.com/

An infinite-canvas paint program

UZDoom is a feature centric port for all Doom engine games, based on GZDoom, adding an advanced renderer and powerful scripting capabilities

Massgate is the online backend server for the Massive Entertainment game World in Conflict, and is now open-source to make it possible for anyone to host their own Massgate server.

Open source patternmaking software to democratize fashion.

An attempt to recreate the classic Need for Speed Games (1-6), unpacking their original data files into a modern, scratch built engine.

CS:GO demo parsing tool

A tool for PC gamers to play games with DualShock 4s, JoyCons, and Pro Controllers. Gyro aiming, flick stick.

The source code of "Programming Game AI by Example"