Challonge - The Ultimate Source for Tournament Brackets
FreezeCrowd - FreezeCrowd is a social network that connects people in group photos.
BracketPrint - Create Round Robin, Single and Double Elimination Brackets for Tournaments print and use it for free. - Generate your bracket now.
SmugMug - SmugMug is a platform that allows amateurs and professional photographers to host their pictures and create a virtual gallery for promoting and selling their work.
smash.gg - An esports platform empowering bottoms-up growth of competitive communities with value-add services...
OpenGameArt.org - A site dedicated to sharing artwork & other assets for game development.