N64Dev

libdragon - A toolchain for compiling content for the N64.
MESS - An emulator that can run roms generated using libdragon.
64drive - A cart that allows loading of content onto the N64.
libmikmod - Modified version of mikmod to work with the libdragon toolchain.
CEN64 - A cycle accurate N64 emulator still in development.
Nintendo 64 SDK - Everything you need to build new content for the N64!
Programming Manuals - These manuals are a must for understanding the internals of the system!
Sound Tools 3.14 - Includes the libs and tools to create audio for the system.