VelaBoard
Lightweight Scoreboard and Team API for Bukkit/Spigot. Built so plugin devs do not rewrite scoreboard boilerplate.
Related builds
D2SteamFix
Blocks Destiny 2 overlay DLLs on launch instead of deleting them.
CS2 Anti-Cheat Systems
Two open anti-cheat projects for Counter-Strike 2: server-side occlusion culling (CS2FOW) and a multi-module detection system (CS2AC).
Open Source AI 2.5D Game Engine
Game engine built specifically for AI agents. Small enough for agents to understand the whole codebase and generate complete playable games.
sshdesk
SSH server that remote-desktops another PC straight in your terminal.