Sam

Aurora. C++ Game engine based on OpenGL

VoxelWorld. Voxel generator like minecraft in unity

Hydra. Discontinued C++ DirectX 11 Game Engine

Elderus. Unity minecraft generator

TerrainMaster. C++ Terrain Engine

SpigotPlus.

SignEdit. Spigot plugin for changing sign texts

BetterSurvival.

NovaEngine. Game engine written on OpenGL

web-parser. C++ library for loading html and css files