Challonge - The Ultimate Source for Tournament Brackets
Frost for Facebook - Frost is a third party Facebook wrapper geared towards design and functionality
smash.gg - An esports platform empowering bottoms-up growth of competitive communities with value-add services...
Face Slim - Web App for Facebook. Lightweight, ad-free, chat support and modern look.
Score7 - Score7 is a free tool that allows you to generate the tournament schedule according to the format and the number of participants that you specify.
SlimSocial for Facebook - Slimsocial For Facebook free download - Facebook Pro, Facebook Desktop Messenger, Facebook Lite, and many more programs