Most likely the best website tournament system on the internet. In fact, do a brief search and you will not find much. If you do, it will probably cost over $100 and it wont have near the capability of this tournament system. Developed by a competitive gamer and former tournament administrator on an active gaming ladder, who knows what is needed to run tournaments off your website. With the ability to host multiple tournaments on auto-updating dynamic brackets, IP logging, signup, match reports and much more. This system defiantly should be classed as "One of the Best" if not, "The Best".

 

Features:
Sponsor system
News system (basic html required)
Rules system (basic html required)
Prizes system (basic html required)
Individual signups with/without contact info
Matching reporting with score
Team list with/without contact info
Match report list
8,16,32,64 slot dynamic brackets
Auto updating brackets
Full IP logging, lookup & comparisons
Run multiple tournaments
Add/remove teams
Email all teams
XFire support
Complete language support
Dynamic abuse protection
Open and active tournament list side block
Update notification system

Download it here

Visit developers site here