Here is a quick update on three more private torrent trackers - Ozone-Torrents, 7Track and Elbitz are all currently open for signup. Ozone-Torrents is a decent general/0Day tracker while ElbitZ.NET is a popular E-Learning tracker. 7Track is a new general tracker based on the Gazelle codebase. For signup URLs and more information, read on.
1. Ozone Torrents 
Site Name: Ozone-Torrents (http://www.ozone-torrents.org)
Signup URL: http://www.ozone-torrents.org/signup.php
Stats: 5800+ users and 9400+ torrents
Description: Ozone-Torrents is an excellent general tracker. For full tracker description including category details, screenshots and mini review refer to this article.
IRC: irc://irc.ozone-torrents.org/OT-Support
2. 7Track 
Site Name: 7Track (http://7track.org/)
Signup URL: http://7track.org/register.php
Stats: 2800+ users and ~900 torrents
Description: 7Track is a fairly new general tracker which runs on the Gazelle codebase. For full tracker description including category details, screenshots and mini review refer to this article.
IRC: irc://irc.7chan.org/7track
3. ElbitZ 
Site Name: ElbitZ (http://elbitz.net/)
Signup URL: http://elbitz.net/signup.php
Stats: 4600+ torrents, No. of users unknown
Description: As we mentioned in the heads up post earlier, ElbitZ is open. It’s popular E-Learning torrent tracker with lots of educational (and other) material. For full tracker description including category details, screenshots and mini review refer to this article.
IRC: Server: irc.slashnet.org Channel: #elbitz Port: 6697
