Nucleo - Commercial vector icons and accompanying apps to manage and customize them.
Gacha Life - Gacha Life is a fabulous tool to make your personal anime styled characters and customize them in the way you want to see, developed in the market by Lunime Inc.
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
ChibiStudio - ChibiStudio is a classy avatar maker that enables its global users to enjoy creating cute chibi characters using this tool on their cell phones and tablets.
Freepik - More than a million free vectors, PSD, photos and free icons. Exclusive freebies and all graphic resources that you need for your projects
PitzMaker - PitzMaker is a fabulous tool to create your own characters using thousands of combinations.