Unity3D-BSP-Importer. A lightweight plugin for importing BSP maps into Unity3D as meshes.
120LibBSP. C# library for parsing and reading BSP (Binary Space Partition) structures in Quake-based game engines
106bsp-decompiler. Decompiler for many BSP formats
59pokecrystal-nl. Dutch translation of Pokémon Crystal Disassembly
24jbn-bsp-lump-tools. Just a goofy tool for messing with Nightfire BSPs. For all intents and purposes this is a dead project preserved here after Google Code shut down. The origins of the BSP decompiler project and LibBSP can be traced back here.
5GameOfLife. 2D, 3D and 4D implementation of Conway's Game of Life in Unity
2