Open Peeps - A hand-drawn illustration library.
Nucleo - Commercial vector icons and accompanying apps to manage and customize them.
Control Illustrations - 108 free flat illustrations with customizable characters
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Handsome Illustrations - Create unique illustrations for websites & applications.
Freepik - More than a million free vectors, PSD, photos and free icons. Exclusive freebies and all graphic resources that you need for your projects