Yes - it’s easy to run multiple copies of Jamroom on the same server. The easiest method is if you have access to another MySQL database, you can simply place the new copy of Jamroom into a unique folder on your website, then when running the “install.php” script, make sure you specify the new MySQL database name.
If you only have access to a single MySQL database, just be sure you specify a different Database Table Prefix during the Jamroom install:
Note that the Jamroom license will allow you to run another copy of Jamroom only if it runs in the same domain - i.e. “jamroom1.yourdomain.com” and “jamroom2.yourdomain.com” If you want to use another, unique domain name, and you are not using the Jamroom Free Version, you need to license a copy of Jamroom for that domain.