What are some alternatives?
When comparing Open Peeps and Illustration Tools, you can also consider the following products
Humaaans - Mix-&-match illustrations of humans with a design library.
Marketing Inspo - Get inspired by this collection of marketing examples.
Blush - Illustrations for everyone
Avataaars - Mix and match avatars with a Sketch library
Interfacer - Collection of more than 200+ free design resources
Free illustrations - Find free to use illustrations & vectors