Any resources (video, files, documents, etc.) that is released and maintained by Inochi2D developers.
A wiki available in the Inochi2D github repositories. They are currently still work in progress but still provide important knowledge about the programs Inochi Creator and Inochi Session.
Inochi Creator Github Wiki - No current info is available on this Github wiki.
Inochi Session Github Wiki - Contains information about expressions and ratio binding.
https://discord.com/invite/abnxwN6r9v - This discord was started by the Inochi2D developer, Luna. You can join and ask community members directly for help and browse various other resources on the server.