Sound bank and audio formats - freepats/documentation GitHub Wiki
Wotsits.org sound and music file formats
File format information backed up at archive.org from the no longer available wotsits.org site
SFZ File Format
SFZ is a format for creating musical instruments for sample-based synthesizers, based on text file description.
Link to documentation for version 1 of SFZ
Adventure Kid Research & Technology (AKRT)
Audio Waveform packs that can be loaded into trackers and synthesizers.
Free to Use Sounds
High quality, free to use sound effects and sound packs.
SoundCC0
SoundCC0 is a website for music lovers and game developers to find musics that comes under CC0 licence.
Musical Artifacts
Musical Artifacts is a web application with the objective of helping musicians find, share and preserve the 'artifacts' that they use for producing their music. It also aims to be a de facto guideline of how to best preserve these artifacts so that they're are useful to the biggest number of people possible.
NEWER VGM Sound Sources
This spreadsheet aims to document the sources of sounds used in various video game soundtracks. We only ask that you do not claim this information as your own. This information is freely available for anyone to share and discuss: For crediting, this documentation is managed by the VGM Resources community and the various communities related to it.