I assume this is based on the good old php-board that we see on 8 of 10 boards today.
Reason I'm not 100% sure is the all the effort and good work that are put into it to make it a better place to be for us users.
Recently a board I'm member of changed to Discourse. It was a blast.
So if you have not had a look on it I recommend to do, it's good.
Just meant as a tip.
Merry x-mas.
\\Stian