Marune - Log your martial arts journey & connect with other athletes
Isometric - Create beautiful, abstract works of art & optical illusions
Gymdesk - Gym management software you actually want to use - Manager-friendly software that simplifies and automates your gym operations. 30-day free trial!
MagicPattern - The best design toolbox with 10+ tools for anyone
Games on GitHub - A list of popular/awesome videos games, add-ons, maps, etc.
Isometric Game Art Pack - Extensive library of game art for indie devs