Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Reface - The best AI app to face-swap in GIFs and videos
MakeHuman - MakeHuman is a free, open source, interactive modeling tool for creating custom 3D human characters.
Photo Warp - Have fun warping and melting your face!
Bforartists - Bforartists is a fork of Blender.
Pic Morph - Pic Morph gives you the opportunity to create swap faces animations and share them on social media to get an increase in likes and followers.