FTE QuakeC compiler

 fteqcc compiles QuakeC source code to binary, platform-independent
 code that Quake based engines can interpret. QuakeC is the language
 that Quake game logic is developed in and is used for developing
 modifications.
 .
 FTE QCC supports Quake1, QuakeWorld, Hexen2 and FTE Quake, 64bit
 architectures and multithreading.