General Game Development Resources

Art

Game Art Tricks - A solid collection of miscellaneous tech. art tutorials/summaries.

Shader Syntax Highlighting in Visual Studio: NShader as well as HLSL Tools (which I've found works better).
FastNoise - A wonderful, fast, and compact noise generation library written in C++. Alternatively: FastNoiseSIMD.
JSON for Modern C++ - A generally solid C++ JSON library.
- BSON (Binary JSON) libraries: bson-cpp, bson-cxx, and jbson.
Random Source Gems from Atrix256 - A lovely, lovely repository of random source code gems.