Handsome Illustrations - Create unique illustrations for websites & applications.
Vectr - Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.
Control Illustrations - 108 free flat illustrations with customizable characters
Vecteezy Editor - Free Online Vector Editor - Design and customize SVG illustrations and graphics quickly and easily in your browser.
Ouch! Illustrations by Icons8 - Professional, perfectly matching, and customizable illustrations for any designs
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.