You may have noticed that the content on this site has some underlined words. These are not spyware/spamware/virus, etc. It's actually a product called Infolinks. Infolinks is a way that some sites try to monetize their sites.
If you would like more information on Infolinks or want to add it to your site here is my referral URL:
This past Wednesday the devs over at the osTicket forums updated their forum software.
The new forum software is pretty similar to the old but there are no more categories. The site uses tags to determine how posts are organized. You can add tags to your post when you create it.