A Minecraft Launcher which is multi-functional, cross-platform
C# application with primary purpose of farming Steam cards
A free/open source client and automation tool for Ragnarok Online
Open source Old School RuneScape client
A modern shaders mod for Minecraft compatible with existing OptiFine
A charting and data visualization library for Unity
A game framework written with osu! in mind.
An open source implementation of the Ultima Online Classic Client
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform, open source, and super fast MUD client with scripting
You can make it - Open Source MMORPG Platform
Turn based tactical RPG with several campaigns, written in Rust
Retro style, multi-platform soccer game
Powering EA's next generation of PC & Mac gaming
A multi-account able app for farming cards in Steam
Snake Feast is a fun, addictive arcade game where you control a snake
Open source voxel world
Chess program
3D space trading and combat game
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Multiplayer space station roleplaying game built on BYOND engine
The codebase used by the VORE SS13 server, based on Polaris SS13
An RPG with turn based combat
Random generators for tabletop RPG games (D&D, Pathfinder, D20, etc)