TinyFaces - Free crowd-sourced avatar gallery including Sketch plugin
Ready Player Me - Personal 3D avatars for Mozilla Hubs
Humaaans - Mix-&-match illustrations of humans with a design library.
Emoji by Craftwork - A collection of cute 3D emojis for your next project
Avatar SDK - AI-powered 3D avatars from one photo
mocap4face - Realtime facial motion capture SDK enabling live animation of 3D avatars, NFT PFPs etc.