We use Itrax for online forums. It has limitations like any other platform, but the key limitation is the inability to thread. If you are probing, you can never really see where you’ve probed because it appears at the bottom of the page. It means you have to scroll up and down the page to find all of the comments on a post. The IT geeks will tell you that it’s difficult to make this work, as often you fall off of the page on the right. Either way, it makes reporting tricky.