Humaaans - Mix-&-match illustrations of humans with a design library.
Custom Illustrations by Design Pickle - Unlimited custom illustrations for one flat monthly rate.
DrawKit - MIT licensed SVG illustrations, in 2 styles
DotYeti - Unlimited Design for a Flat Monthly Fee - Get Your Own Personal Graphic Design Team
Handsome Illustrations - Create unique illustrations for websites & applications.
Koncepted - Definitive design for Web3 brands.