Inochi Creator is a 2D rigging tool which is designed for game development and VTubing. With Inochi Creator you can animate illustrations, visual novel portraits, and either export video animations for posting on the internet; or export our INP interchange format for use in video games.
Inochi Creator is entirely open source and our free SDK is under a BSD 2-clause license, so you can use your creations in your games and multimedia projects without any licensing restrictions!