I've been using Demonoid for over a year but it went down yesterday and the news atm is that it's not coming back. Shame, because Demonoid is pretty good, especially for when you miss an episode of a programme as they appear literally seconds after airing!
If you still want invites let me know but bear in mind if the site is down I can't generate an invitation code nor use it for anything else.
A fellow member kindly sent me an invite, but the site must have been taken down almost immediately after I signed up, 'cos I never received the activation email