PNGtuber

Easy to customize, simple solution for PNG-tubers and PNG-streamers, that runs in your background. Just talk freely and program will run animated mouth.

Cycle between animated mouth and "traditional" open mouth with PageUp key.

You can import it in OBS, or StreamLabs as a Game to use it on your streams. Just make sure to Allow Transparency in source properties, to have smooth transparent background.

Project made in Unity 2021.2.7f1. You should be able to edit it in all newer versions of Unity.

To insert your own PNGs you will have to create a new project in Unity and edit it there. Basic importing instructions can be found on project's download page.