I need some software that can be powered by an internal web server in our office. Basically, I want some software to show how long each employee has been on logged on, and then record it to a central program which I can view.
Are you trying to track possible "cyberloafing"?
What are they logging into? The server? [could server logs provide you this?]
Depending on what exactly you are trying to track, there maybe laws and ethics that apply.
With that in mind, there's a few packages like this for example:
Though it's been since last Dec. since I used it [windows user monitor], and depending on what your internal server is running...ie Linux, Mac, or Windows....of course, it's not just user info you'll get with one of these.