Humaaans - Mix-&-match illustrations of humans with a design library.
Humanotion - Free avatar pack, perfect for Notion
Diversity Avatars - Diversity avatar icons that celebrates humanity
Minimal Avatars - Create minimal, unique and playful avatars for free
Open Peeps - A hand-drawn illustration library.
100 Free Userpics - Collection of a hundred free userpics especially for your design projects.