Here are the files an links that may be needed to play dnd online.
OpenRPG and Traipse Linux/OSX Install Instructions:
Download/Install Python 2.6.2 or better (python.org)
Download/Install wxPython 2.8.10 or better (wxpython.org)
Download OpenRPG Base Zip (OpenRPG base)
Or, Download Traipse OpenRPG here
Run start_client.py to Launch OpenRPG and for Traipse, run Traipse.pyw to start it.
Linux Ubuntu Users can get some addtional help here
Get to the main OpenRPG site here for a better OpenRPG client named Traipse and updates to OpenRPG.
Etools is the main computer character/monster/other generator for DnD 3.5E and below.click for etools