Canva Logo Maker - Create your own custom logos without having to hire a designer with Canva's impressively easy to use logo maker. Completely free, completely online.
Open Peeps - A hand-drawn illustration library.
Hipster Logo Generator - It's Hip, It's Current, It's Stylish, It's Hipster.
Control Illustrations - 108 free flat illustrations with customizable characters
Brandmark - Smart, AI-assisted logo maker and brand designer
Handsome Illustrations - Create unique illustrations for websites & applications.