3dicons - 3dicons library offers beautifully designed open-source 3D icons.
Avatar SDK - AI-powered 3D avatars from one photo
ICONZ - ICONZ is a premium icon library that offers more than 70 unique icons for all your products.
Boring Avatars - JavaScript library to generates SVG avatars based on text.
Wannathis - 3d illustrations and freebies
Humaaans - Mix-&-match illustrations of humans with a design library.