I’ve really no idea what section this might fit into, so - offtopic 
It might be of interest to one or the other Blender user. It’s an browser IDE that allows to edit and compile/interpret:
C, C++, Objective-C, Java, Fortran 90/95, Pascal, Python, Ruby, Lua, HTML, CSS, Javascript, PHP, SQL.
It’ll also offer an API soon for compiler access. Quite neat IMO.