Ready Player Me - Personal 3D avatars for Mozilla Hubs
Humanotion - Free avatar pack, perfect for Notion
EMOJIZ - Animated 3D emoji set with source files
Humaaans - Mix-&-match illustrations of humans with a design library.
mocap4face - Realtime facial motion capture SDK enabling live animation of 3D avatars, NFT PFPs etc.
TinyFaces - Free crowd-sourced avatar gallery including Sketch plugin