TexturePacker - Texture Packer is hands down the best sprite sheet generation tool on the market.

Mango Animate Character Maker - Mango Animate Character Maker can convert a static PNG/PSD image into a dynamic character by adding bones and nodes to the image and manipulating the bone structure to move and pose.

Sprite Sheet Packer - Sprite Sheet Packer is online that you can easily use to pack sprite sheets, including data formats for CSS, LESS, and Phaser.

face.co - face.co is a SVG Avatar Generator - Online Vector Avatars Generator for Your Site

Free Texture Packer - Free Texture Packer is an open source tool that allows you to pack multiple images into one atlas for you games or sites.

DiceBear Avatars - Pixel-Art Avatar Generator and -Provider by Identifier/Hash/Seed in JavaScript for Browsers and...