Nexus Realms will soon be put to rest as the domain will eventually switch off later this year. What I have been doing though is creating the new site and it is coming along pretty well. While the only part of the site online right now is the front page and the messageboard, there are many things that are currently working in the development build including Steam game tracking per user, game gifting, project creation and more.
You can still join the forums here but I recommend joining the new website as I do not plan to have these forums running for much longer (a few months at most). If you want to vote on what the first part of the site should be coded first then please vote here - you don't require an account to do this.