Hey, Tetherheads! Along with Match Point, we built a single-elimination tournament bracket website that you can use to run your own events. We used it at our launch party.

You can build teams, automatically assign byes, reorder participants mid-tourney, save competitions for later, and even stream them to anyone with the link (or to another computer hooked up to a projector!)
It's free. :) Enjoy!
Oh, and thanks to everyone who picked up the game as part of the 2018 Yogscast Jingle Jam! Thanks to you, over $3 million was raised for charity. Holla!