By Robert Simpson: a must-have utility that monitors UO server status and can automatically run Ultima Online as soon as the server is available.
By Robert Simpson: monitors your network performance by polling UO servers. Find out the bottlenecks in your network connection to Ultima Online.
By Tugsoft: one of the best add-on tools ever published for Ultima Online. Arm-disarm, automatic resource counting, skill tracking, effect filters, and more ($14.95). Submitted to OSI's 3rd part software program.
UO Magic Tool
By Xena Dragon: A very handful utility to keep track of spell usage, needed resources, and skill levels. Works great with UOAssist. Submitted to OSI's 3rd part software program.
UO Curse Tool
By Xena Dragon: Did you ever wonder how to find the best (and formally correct) insult to cast at the thief who just stole your last black pearl from your backapck? Here you go :). Submitted to OSI's 3rd part software program.
By Xena Dragon: Do you have a written text you need to transfer to a book in Ultima Online? Just get your text file and start this neat utility.
UO Time Tool
By Xena Dragon: Need to keep tracking of the everchanging time zones of your online friends? Here's the tool for you.
By Steve Blanding: A great utility to keep track of your steps in UO and track your friends who are playing. A must-have. Submitted to OSI's 3rd part software program.
A nice utility to make your own screenshots of Ultima Online.