Humaaans - Mix-&-match illustrations of humans with a design library.
Evie by unDraw - MIT licensed illustrations for your next project
Avataaars - Mix and match avatars with a Sketch library
DrawKit - MIT licensed SVG illustrations, in 2 styles
Sketch Icons - Generate a dynamic icon library in less than 5 minutes
Absurd Design - Free surrealist illustrations for landing pages. 💡