Isometric Love - Cute isometric objects for designers
Iterograph - An iterative drawing tool
Sketch Isometric Plugin - Generate isometric views from artboards and rectangles
Indie Boost - A video game discovery software used by Publishers, Press, YouTubers, and Streamers.
Isometric Art Pack - Free game art for indie devs
RYSE UP - Connecting up-and-coming artists with the world's top talent