Struct Illustrations - Create your own unique story with editable illustrations
Invision - Prototyping and collaboration for design teams
Handsome Illustrations - Create unique illustrations for websites & applications.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Humaaans - Mix-&-match illustrations of humans with a design library.
Craftwork - A collection of User Interface resources made by Craftwork