PatternPad - Create beautiful geometric patterns
Isometric Game Art Pack - Extensive library of game art for indie devs
Tabbied - Doodle with generated patterns
Isometric - Create beautiful, abstract works of art & optical illusions
MagicPattern - The best design toolbox with 10+ tools for anyone
Indie Boost - A video game discovery software used by Publishers, Press, YouTubers, and Streamers.