Once you have looked at our quick guides and Frequently Asked Questions, check these articles:
Creative Market How to Create Your First Font from Scratch: A Step by Step Guide
Creative Market How to Create a Color Font in a Few Simple Steps
Creative Pro Using Color Fonts in Photoshop with Fontself
Manon Laef How to make a font within Illustrator
And videos:
Monika Gause Create a color font family in Illustrator
Astute Graphics: Make and clean up lettering with plugins
Fontself What's new in Photoshop
Did you make - or do you plan to make - a Fontself tutorial? Let us know, maybe we'll to add them to this list ;)