Bittorrent tracker Wild-Bytes.org now has open signups. We don't know for how long but if you hurry you may register an account for yourself without an invitation from an existing member. The tracker is pretty rare and only has slots open for 10000 members.
Site Name: Wild-Bytes
Signup URL: http://www.wild-bytes.org/signup1.php (signup.php will not work)
Description: Excellent pre times, tracks nearly 3000 both scene and non scene torrents.