Illustration Gallery - Royalty-free illustrations for your projects
Humaaans - Mix-&-match illustrations of humans with a design library.
Paper Illustrations - Free illustrations library for personal and commercial use.
DrawKit - MIT licensed SVG illustrations, in 2 styles
OLIO - Connect with your neighbours to share food and other things, rather than chuck them away. It’s fast, free, and friendly. Featured by the BBC, Wired.
Handsome Illustrations - Create unique illustrations for websites & applications.