Roger Wilco, Mark Ia, Roger Wilco is a free real-time voice chat technology that enhances communication among communities of users on the Internet. It runs on Windows 95/98/NT4sp4. Web Site
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UO Screenshot Utility Version 1.40, A great utility for getting screenshot from UO.
Download UOSU

UO Monitor, Utillity for monitoring the Ultima Online shards
Download UO Monitor

ICQ, ICQ is also the most feature-packed, kitchen-sink-and-all instant messenger ever. But while it's tops at keeping you in touch with your best buddies, ICQ has never been good at hooking you up with Netizens who share your interests.
Download ICQ99b

ICQ Plus, Here is a cool add-on for ICQ you can totally change the look of your ICQ using skins.
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IRC Client for Windows, mIRC is a configurable IRC client that has an intuitive user interface, an events handler, and full send and receive capabilities for DCC (direct client connection) files. It also has color text, aliases, remote commands, backgrounds option, and sound. It automatically opens Web sites as they are mentioned in a conversation, ignore DCC Sends that match specified filenames or types, and lock the program to disable various features.
Download IRC

UO Auto-Map, UO Auto-Map (UOAM) is a full-featured mapping tool that allows you to keep track of people and places in Britannia.
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UOASSIST, UOAssist (UOA) is a utility designed to make playing Ultima Online even more enjoyable by making some game features easier to access through hotkeys or adding automated responses. It can also track some common resources such as reagents and potions as well as automatically stack some items like ore. UOAssist has many other features and is updated regularly with new features.
UOAssist Web Site

UO Journal Converter, UO Journal Converter allows you to keep a long term, well structured and easy to read (HTML) record of your journals from Ultima Online.
Download UO Journal Converter