4GB Patch
4GB Patch is a Large Address Aware patcher that lets 32-bit executables such as the Ultima Online client.exe use up to 4 GB of memory.
Client (29)
Ultima Online client-side tools: assistants (Razor, UOSteam), mapping tools, launchers, alternative clients (ClassicUO, OrionUO), patchers and client utilities.
Client Auto Update 0.87
Client Auto Update 0.87 is a patcher and launcher that lets Ultima Online freeshard players download updated client files from a shard server.
ConnectUO
ConnectUO is an Ultima Online freeshard browser and launcher that lists servers and connects the client in one click. Desktop 0.2.3.3 and source.
EasyUO / Codename Alexandria
EasyUO is a scripting and automation platform for the Ultima Online client. This 130 MB archive bundles EasyUO 1.42/1.5, OpenEUO and Codename Alexandria.
Enhanced Map
Enhanced Map 0.2.1.12 is a real-time map overlay for Ultima Online showing player position, party members and location markers. Used with Razor Enhanced.
Injection 2015
Injection 2015 is a client-side assistant for Ultima Online, an alternative to UO Assist with macros and scripting for crafting and automation.
Iris Developer Framework 0.4
Iris Developer Framework 0.4 is a set of developer tools for the Iris2 3D client for Ultima Online, archived from the Manawydan collection.
IRW (Item Resource Workshop)
IRW 1.1 to 1.4 is a plugin-based Ultima Online client launcher from NecroTools with encryption, macro, dress and info plugins. Source included.
MultiUO
MultiUO is a small patcher that turns an Ultima Online client into a multi-client, so several copies of the game can run at the same time.
OrionUO
OrionUO is an open-source C++ alternative client for Ultima Online with improved rendering and the Orion Assistant. Full source and binaries.
Razor
Razor is a widely used Ultima Online assistant with macros, hotkeys, dress and organizer agents, counters and overhead messages. Classic build.
Razor Enhanced
Razor Enhanced 0.6.62 is a Razor fork for Ultima Online with Python scripting, extended macros and a script editor. Includes EnhancedMap and source.
SUMP
SUMP is a C# Ultima Online client patcher with options for encryption removal, multi-client, always light, no-draw, global sound and stamina.
UO Companion
UO Companion is an old helper program that runs alongside the Ultima Online client, archived as its original installer from the UO Toolbox.
UO Loop
UO Loop is a small macro loop program for the Ultima Online client that repeats simple in-game action sequences such as skill training.
UO Patch File Maker 3.0
UO Patch File Maker 3.0 Final is a German patch system for Ultima Online shards: an admin tool builds MUL patches and a player engine applies them.
UO Protocol Guide
UO Protocol Guide by Kons is a PDF reference of Ultima Online client and server network packets, from the T2A era to the Kingdom Reborn client.
UO Rice -3.5
UO Rice -3.5 is a patcher that removes encryption from the Ultima Online client so it can connect to freeshards. Source code included.
UO Treasure Hunter Tools
UO Treasure Hunter Tools is a CodeProject utility for Ultima Online treasure hunters that helps locate treasure map dig spots. Demo and source.
UOAssist
UOAssist is the original third-party assistant for Ultima Online with macros, hotkeys and spell shortcuts, predating Razor. 175 MB archive.
UOCH
UOCH by NecroPotence is an Ultima Online client patcher that removes encryption and adds client tweaks. Versions 1.0 to 2.2 with source code.
UOCH Ignition
UOCH Ignition is a 2002 build of UOCH by NecroPotence, an Ultima Online client patcher, bundled with an Ignition configuration file.
UOGateway
UOGateway 1.9.0.1266 Beta is the client of the UOGateway freeshard list, a combined Ultima Online shard browser, patcher and launcher.
UOHelper 1.0
UOHelper is a 1998 helper for Ultima Online players with a moongate timing calculator and a chat translation engine. Readme covers 1.0 to 2.5.
UOLaunchPad
UOLaunchPad is a launcher for Ultima Online that writes per-shard login.cfg and uo.cfg settings so players can switch between freeshards quickly.
UoLoopX
UoLoopX is a macro loop program for the Ultima Online client, a newer relative of UO Loop, archived with an Italian version and PDF help.
UOMON (Login Server Monitor)
UOMON 1.16 is a public-domain login server monitor that polls the official Ultima Online login servers and starts the client when one is up.
UoPlugIn 4.2
UoPlugIn 4.2 by Ashran and Beosil (1998) patches the Ultima Online client in memory at runtime to add options such as showing hitpoints.
UOSteam
UOSteam 1.0.5 is an Ultima Online assistant with its own macro language for movement, combat and item handling. Includes docs and script repo.