Just a quick update on private tracker open signups. Most private BitTorrent trackers out there either do not open signups at all or opens them up at random intervals. But did you know that there are a few trackers that open their doors on a monthly or weekly basis? This article features summarized information about three such sites that usually open to the public on weekends; AvistaZ, Extremebits and PTN (invite applications). AvistaZ is an Asian movie tracker, Extremebits is an extreme sports tracker while PTN is a ratio free movie tracker.
AvistaZ 
Site Name: AvistaZ (http://bt.avistaz.com)
Signup URL: http://bt.avistaz.com/account.php
Signups open on: Every Sunday. Will open on 17.00GMT this Sunday (7th)
Stats: 122000+ users and 8100+ torrents
Description: AvistaZ is an Asian movie tracker with Japanese, Korean, Chinese, Indian, etc movies. For full tracker details and screenshot, refer to our recent review located here.
ExtremeBits 
Site Name: ExtremeBits (http://www.extremebits.org)
Signup URL: http://www.extremebits.org/signup.php
Signups open on: Every Saturday and Sunday
Stats: 3200+ torrents
Description: ExtremeBits is an extreme sports tracker with videos, TV shows, magazines and DVD releases related to action sports. Full tracker review can be found here.
PTN 
Site Name: PTN
Invite Application URL: http://*********.***/comeandplay.php (do not use ‘www’ in the address)
Signups open on: Invite applications have been open on weekends for the past two weeks. It is likely that this trend will continue. On the site it says “External Application is currently open! It will be automatically closed in 1d 17h 39m 25s“ (At time of this post)
Stats: 2275+ users and 5300+ torrents
Description: PTN is a ratio free movie tracker with a large focus on community. For detailed tracker info including screenshots and discussion, refer to this article.
Bonus: Demonoid 
Site Name: Demonoid (http://www.demonoid.com)
Signup URL: http://www.demonoid.com/register.php
Signups open on: Random times – usualyl once a month. Currently open.
