What are some alternatives?
When comparing Open Peeps and Humaaans, you can also consider the following products
Blush - Illustrations for everyone
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
Free illustrations - Find free to use illustrations & vectors
Control Illustrations - 108 free flat illustrations with customizable characters