Ouch! Illustrations by Icons8 - Professional, perfectly matching, and customizable illustrations for any designs
UI Faces - Avatars for design mockups
Control Illustrations - 108 free flat illustrations with customizable characters
Teooh - Meet, work or just hang out in virtual spaces as avatars.
Humaaans - Mix-&-match illustrations of humans with a design library.
Nice avatar - React component for generating avatars