Isometrica - 3D illustration constructor with 380+ isometric objects

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.

Characterz - Biggest diverse mix and match 3D illustration library

Khagwal 3D Illustration Library - Free 3D illustration library for web & mobile app designers

Humaaans - Mix-&-match illustrations of humans with a design library.

Handy 3D Hands - Exceptionally fun 3D illustrations by Icons8