Skript is a Bukkit plugin which allows server admins
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A retro game engine for Python
Java/JavaFX/Kotlin Game Library (Engine)
Free, open source game engine online
The ultimate cataloguer
Java application for creating Morphing videos
Flash Quiz TV (A quiz game for all family)
Standalone Complete Sudoku puzzle Game Solver Generator for Windows
jMednafen is a front-end for Mednafen
online 4X browser game engine
Desktop application with a tombola-like spinning label.
Backup & restore Minecraft worlds with one click.
JAVA websocket implementation for a bomberman-like game
Next generation web chess club
A server to exchange flightplan information between ATCs
Simple application for downloading pictures from Zerochan.net
Educational framework for OpenGLES, OpenCL and OpenAL
The famous Maze War game recreated as a modern web application.
Android:Netrunner Tournament Manager