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.
EMOJIZ - Animated 3D emoji set with source files
Avatar SDK - AI-powered 3D avatars from one photo
Vue-jazzicon - A dead-simple Jazzicon component for Vue