Toy Faces Library - A fun diverse library of 3D avatars for your design mockups.
Characterz - Biggest diverse mix and match 3D illustration library
Humaaans - Mix-&-match illustrations of humans with a design library.
H A N D Z - Free 3D illustrations of diverse hands gestures
Khagwal 3D Illustration Library - Free 3D illustration library for web & mobile app designers
Alter 3D illustrations - Explore a whole new world of 3D characters living in 2D illustrated backgrounds, this is a totally new style that is aiming to reduce the gap between 3D and flat design to create a better immersive design in websites and apps.