https://wiki.superfamicom.org/
A custom made wiki for documents and resources related to developing software (games) for the Super Nintendo / Super Famicom. Started in 2010 and still going strong, switched software a few years ago from Ruby to Node.
An online emulator for the SPC700, the sound chip from the Super Nintendo / Super Famicom with a large selection of the game library's OST to listen to. Designed to scratch a personal itch and play with Emscripten years ago.