As a celebration for their 5th anniversary, DivX is giving away their “DivX Create Bundle” that allows you to make DivX videos. Normally the software is $19.99, but for the moment, it’s free. Hurry though, it’s ending soon (their “one day” promotion is currently in it’s 2nd or 3rd day).
[edit] The promotion has ended. 
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http://www.divx.com/anniversaryoffer/
Sounds like a good offer. Too bad it ended =(
I got a couple extra keys if you’re interested.