Handsome Illustrations - Create unique illustrations for websites & applications.
Struct Illustrations - Create your own unique story with editable illustrations
Isometrica - 3D illustration constructor with 380+ isometric objects
Humaaans - Mix-&-match illustrations of humans with a design library.
BAM Free 3D Illustration Kit - More than 30 high quality 3D icons, free to use.
DrawKit - MIT licensed SVG illustrations, in 2 styles