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.
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Anim.IDX Patcher
Anim.IDX Patcher is a tool that changes which animation ID a creature uses by editing the Ultima Online anim.idx file. Delphi source included.
AnimData.mul Editor
AnimData.mul Editor is a Windows tool for setting up animated static items in the Ultima Online animdata.mul file. Archived from Manawydan.
AnimEdit 0.2
AnimEdit 0.2 is a small Ultima Online utility for centering animation frames exported from MulPatcher before patching them back into the client.
AnimSharpEdit 1.0.0
AnimSharpEdit 1.0.0 is a C# tool for centering Ultima Online animation frames exported from MulPatcher, a successor to AnimEdit 0.2.
Assorted UO Scripts Collection
Assorted UO Scripts is a 65 MB bundle of Ultima Online server script packs for RunUO, Orbsydia and Sphere, plus Daat99 OWLTR and UOSteam macros.
Autopatcher
Autopatcher by VD is a Windows tool for creating and applying verdata patches to Ultima Online client files. Delphi source code included.
Axis II
Axis II is the Game Master tool for Sphere servers: item and NPC browser, travel, commands and Static Tool. Includes UOP art and map support.
Cartography .86
Cartography .86 by Punt converts between BMP images and the Ultima Online multimap.rle file used for treasure and world maps. C source included.
CentrED
CentrED is a client/server map editor for Ultima Online that lets several builders edit terrain and statics together. Windows and Linux builds.
CentrED#
CentrED# is a C# rewrite of the CentrED client/server map editor for Ultima Online by kaczy93, running on Windows, Linux and macOS. MIT licensed.
CentrED+
CentrED+ is a modified CentrED 0.6.1 map editor for Ultima Online with better client file support, tile groups, brushes and multi-user editing.
Change UOP
Change UOP is a small Windows utility that changes the ID of a complete animation stored inside an Ultima Online UOP package file. From Manawydan.
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.
Cliloc Editor 2
Cliloc Editor 2 is a .NET editor for Ultima Online cliloc localization files: search, edit, add and remove client text strings by cliloc ID.
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.
CopyMul Utils
CopyMul Utils are two small Windows programs for copying and inserting data between Ultima Online MUL files. Archived from the Manawydan collection.
Damage Calculator
Damage Calculator is a small console program that computes Ultima Online weapon damage from stats, skills and modifiers for balancing and testing.
Deco Editor
Deco Editor by Arya is a Java 5 editor for deco.xml decoration files used by Ultima Online shard world-building tools. Archived from Manawydan.
Dialog Studio 1.4
Dialog Studio 1.4 is a visual gump and dialog designer for Sphere servers that exports ready-to-use SCP dialog script code for Ultima Online.
Dragon - Kompletní návod (Dragon Complete Guide)
Czech guide by Marty (2003) to generating an Ultima Online map0.mul from a BMP image with Dragon and freezing statics with DragonSP.
DragonMod
DragonMod is a set of add-ons for the Dragon map generator that builds Ultima Online maps and statics from painted BMP images, with extra terrains.
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.
Filozofie stavění (Medieval Building Philosophy)
Czech article by Lynx with practical rules for building believable medieval houses, floors, stairs and decorations on Ultima Online shards.
Fonts Editor alpha 2
Fonts Editor alpha 2 is a Windows tool for viewing and editing the fonts stored in the Ultima Online client font files. Archived from Manawydan.
GemUO 1.0 Build 0.3
GemUO 1.0 Build 0.3 is a RunUO-based Ultima Online server emulator with Stygian Abyss support, archived here as a 2010 snapshot with C# scripts.
Genesis 2.5.2f
Genesis 2.5.2f by Ravenal is an Ultima Online map compiler that turns designed terrain into map and statics files for a custom shard world.
Gump Editor 0.31 Beta
Gump Editor 0.31 Beta is a Windows tool for viewing gump graphics and adding new or edited gumps into the Ultima Online verdata.mul patch file.
Gump Studio
Gump Studio 1.8 is a visual gump designer for Ultima Online that exports dialogs as scripts for RunUO, Sphere and other servers. Includes the quinted mod.
House Builder RC13c
House Builder RC13c is a C# tool for designing and editing Ultima Online houses and other multi-tile buildings. Source code included.
Hue Manager 1.0
Hue Manager 1.0 by Arya is a C# editor for Ultima Online hues.mul color palettes, for viewing and changing item and creature hues. Source included.
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.
InsideUO 1.4.0.31
InsideUO 1.4.0.31 is a classic viewer for Ultima Online MUL files: animations, art, fonts, gumps, hues, maps and more. Delphi 5 source included.
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.
Jak na animace v UO (UO Animation Guide)
Czech guide by M@B (2005) to Ultima Online animation structure: directions, frame offsets and counts, and creating patches with UOAnim.
Jak na Static? (How to Use Static Tool)
Czech guide by Lynx to the Axis Static Tool for Sphere, which freezes dynamic items from a worldsave into Ultima Online statics files.
Jak na Verdata 1 - Paradise Gump Patcher
Czech tutorial by Lynx introducing Paradise Gump Patcher for editing Ultima Online gump graphics and patching them into verdata.mul.
Jak na Verdata 2 - GUMP Editor
Czech tutorial by Lynx on editing Ultima Online gump graphics in verdata.mul with GUMP Editor and applying the patch with VerdataPatcher.
JustUO
JustUO is a community fork of the RunUO Ultima Online server emulator. This archive also includes uo-crystal-master with custom scripts and systems.
KR Frame Viewer 0.6.1
KR Frame Viewer 0.6.1 by Kons is a viewer for animation frames unpacked from Kingdom Reborn animationframe and paperdoll UOP files for Ultima Online.
Land Patch 0.4
Land Patch 0.4 is a Windows patcher for Ultima Online land art and texture files, used to replace terrain graphics. Archived from Manawydan.
Legacy UOP to MUL Converter
Legacy UOP to MUL Converter is a small utility that converts legacy Ultima Online UOP package files back into the classic MUL file format.
Location Editor 1.1.0.0
Location Editor 1.1 by Arya is a C# tool that generates the XML location list used by the RunUO [go command on Ultima Online shards.
Manawydan Anim to VD Convertor 1.1.0
Manawydan Anim to VD Convertor 1.1.0 by RadstaR converts BMP animation frames into the VD file format used by MulPatcher for Ultima Online.
Manawydan Civilization 3 Convertor 1.3.0
Manawydan Civilization 3 Convertor 1.3.0 by RadstaR converts Civilization 3 FLC animations into Ultima Online animations for MulPatcher.
Manawydan Gump Checker 1.5.0
Manawydan Gump Checker 1.5.0 by RadstaR checks position and transparency of Ultima Online paperdoll item gumps before they are patched in.
Manawydan Infinity Convertor 1.3.0
Manawydan Infinity Convertor 1.3.0 by RadstaR converts Infinity Engine GIF animations into Ultima Online animations for MulPatcher.
Manawydan Map Converter
Manawydan Map Converter is a C# tool that converts an Ultima Online map from the classic 2D client format to the Kingdom Reborn format. Source included.
Manawydan Sound Editor 1.2.1
Manawydan Sound Editor 1.2.1 by RadstaR is a Windows editor for the Ultima Online sound files, for extracting and replacing game sounds.
Manawydan UOSA BIN to MUL Convertor 1.1.1
Manawydan UOSA BIN Convertor 1.1.1 by RadstaR exports Enhanced client animations unpacked from UOP into BMP frames for classic Ultima Online.
Map Extractor
Map Extractor 1.6 by Dougan Ironfist copies, resizes and splices Ultima Online map and statics files between facets and map sizes, with static ID remap.
Map Generator 2 XML Converter for Mul2Bmp v1.0
Map Generator 2 XML Converter by Punt converts WorldMaker Map Generator 2 XML files into the format used by Mul2Bmp for Ultima Online maps.
Mass M Decompiler
Mass M Decompiler is a VB.NET decompiler for the compiled game scripts of the 1998 Ultima Online Demo server, with a UO Demo .NET SDK included.
Michelangelo 0.30.9
Michelangelo 0.30.9 is a Windows tool for adding and removing items, gumps and animations in Ultima Online verdata.mul, UOP patch and MUL files.
Mul2BMP 0.4
Mul2BMP 0.4 converts Ultima Online mapX.mul files into BMP images in the UO Landscaper format so existing maps can be edited and regenerated.
MulBuilder beta 2
MulBuilder beta 2 is a project-based Windows tool for adding new items, gumps and animations to the Ultima Online verdata.mul patch file.
MulPatcher 10.1
MulPatcher 10.1 by VD is a classic editor for adding, replacing and deleting art, gumps and animations in Ultima Online MUL and verdata files.
Multi Scripter 1.1
Multi Scripter 1.1 by Slayde adds custom building designs to the Ultima Online multi.idx and multi.mul files so Sphere shards can place them as houses.
MultiList
MultiList Beta Release 5 is a Java shard tool for browsing Ultima Online multi structures such as houses, castles and boats from multi.mul.
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.
MULTool 0.10.0
MULTool 0.10.0 is a small Windows utility for editing Ultima Online map files and copying statics between map areas. Archived from Manawydan.
Mythic Package Editor
Mythic Package Editor 1.2 is a tool for viewing, extracting and repacking Ultima Online UOP package files used by newer clients and Stygian Abyss.
Nemesis
Nemesis by Arya is unfinished C# source code for an Ultima Online item viewer that reads art, hues, tiledata and verdata files. Source only.
Notepad++ Sphere SCP Edition
Notepad++ 4.1.2 SphereSCP Edition is a Notepad++ installer preconfigured with syntax highlighting for Sphere server SCP scripts for Ultima Online.
Oprava grafiky
Oprava grafiky by RadstaR is a fix for the halo effect around several Ultima Online paperdoll items, installed into verdata.mul. MulBuilder source.
OrB Multi Template Manager 1.0
OrB Multi Template Manager 1.0 by Dev Slay is a Windows tool for managing and editing multi building templates for Ultima Online shards.
OrionUO
OrionUO is an open-source C++ alternative client for Ultima Online with improved rendering and the Orion Assistant. Full source and binaries.
OSI Maps for UO Landscaper
OSI Maps for UO Landscaper are the original Ultima Online facet surfaces, without heights, prepared as images for regeneration in UO Landscaper 1.1.
Pandoras Box3
Pandora's Box by Arya is a shard building and administration tool for RunUO Ultima Online servers, with Mondain's Legacy support in version 3.
Paradise Gump Patcher
Paradise Gump Patcher is a classic Windows tool for exporting, editing and patching Ultima Online gump graphics in the verdata.mul file.
Paradise Static Anim Patcher
Paradise Static Anim Patcher is a Windows tool for editing animated static items in Ultima Online client files. Archived from Manawydan.
Paradise Static Art Editor
Paradise Static Art Editor is a Windows editor for the Ultima Online tiledata.mul file, which holds item and land tile names and flags.
POL Server
POL (Penultima Online) is an Ultima Online server emulator written in C++ with its own eScript language. Full source with CMake build and docs.
POLGumpExport
POLGumpExport is a Gump Studio plugin DLL that exports gump designs as eScript for the POL (Penultima Online) Ultima Online server emulator.
POLLaunch
POLLaunch 0.97 is a graphical launcher for POL (Penultima Online) Ultima Online servers, for starting and stopping the server without a console.
PolRestart
PolRestart by Shadowlord is a watchdog that restarts a crashed POL or Sphere Ultima Online server, in console and Windows versions. Source included.
RadAnim Calculator
RadAnim Calculator by RadstaR computes the first and last animation frame numbers for a given Ultima Online animation ID in anim.idx.
RadarEdit
RadarEdit is a small Windows editor for the Ultima Online radarcol.mul file, which sets the colors of tiles on the in-game radar map.
RadImage Cutter 1.0.0
RadImage Cutter 1.0.0 by RadstaR cuts a large image into smaller tiles of a chosen size, for preparing Ultima Online gump and art graphics.
RadItems Database 1.1.0
RadItems Database 1.1.0 by RadstaR stores Ultima Online item images in a database for offline browsing. It does not patch any client files.
RadMap Copy
RadMap Copy by RadstaR copies a region from one Ultima Online map to another, including terrain and statics. Versions 2.2.0 and 3.0.1.
RadMap Worldforge 1.4.1
RadMap Worldforge 1.4.1 by RadstaR is a map editor for Ultima Online map0.mul to map5.mul, based on WorldForge. Delphi source for 1.2.6.
RadUOL Checker 1.2.0
RadUOL Checker 1.2.0 by RadstaR scans UO Landscaper BMP images for errors before generating Ultima Online maps. Delphi 2006 source included.
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.
Region Editor
Region Editor is a map-based editor for RunUO Regions.xml on Ultima Online shards: regions, sub-regions and spawns. Dougan Ironfist and Arya versions.
Remote Control (RemoteSphere)
Remote Control is a set of remote administration tools for Ultima Online servers, mainly RemoteSphere, a Java console client for Sphere servers.
RunUO
RunUO is an open-source Ultima Online server emulator written in C#. This archive has RunUO 1.0.0 to 2.6, including source for 1.0.0 and 2.2.
RunUO RE 1.2.7.0
RunUO RE 1.2.7.0 is a modified RunUO Ultima Online server emulator, archived with its C# source code and changelog from the Manawydan collection.
RunUO Scripts Database
RunUO Scripts Database is an offline list of links to RunUO scripts for Ultima Online shards, saved in MHT and XLS formats. Archived from Manawydan.
SAR - Stygian Abyss Re-Loader
SAR (Stygian Abyss Re-Loader) 0.3.0 is a .NET loader utility for the Ultima Online Stygian Abyss enhanced client, from an Italian freeshard.
ScriptAnalizer
Analyse Scripts 496r (ScriptAnalizer) is a console tool that checks Sphere server scripts for logic and syntax errors. German documentation.
Scriptmaker 1.1
Scriptmaker 1.1 is a form-based generator of item and NPC scripts for Sphere 0.55i Ultima Online servers, producing ready SCP code.
ServUO
ServUO is an open-source C# Ultima Online server emulator forked from RunUO, supporting expansions up to Time of Legends. Source from May 2018.
Sharpy (TNG C#)
Sharpy (TNG C#) is a 2007 .NET telnet-based remote console tool related to Sphere Ultima Online server administration. Binaries included.
Site Migration: WordPress to Hugo + Manawydan Archive Merged
News: uo.wzk.cz moved from WordPress to Hugo in March 2026 and merged the Manawydan Ultima Online tools archive rescued by Golfin.
Skill Tools
Skill Tools is a small Windows utility for editing the list and names of skills in the Ultima Online client skills files. Archived from Manawydan.
SkillCreator
SkillCreator by Sebastian Hartte builds new Ultima Online skills.mul and skills.idx files from an XML list of skill names and usable flags.
Speech Editor 1.0
Speech Editor 1.0 is a Windows editor for the Ultima Online speech.mul file, which holds keyword phrases recognized by NPCs and the server.
Sphere Script Stripper
Sphere Script Stripper 0.99i build 10 is a utility for cleaning Sphere server SCP scripts, removing comments and empty lines before release.
Sphere Scripts Collection
Sphere Scripts Collection is an archive of complete Sphere server script packs for Ultima Online, including The Lost Isles shard and Grim scripts.
Sphere Server
Sphere Server (SphereServer) is a C++ Ultima Online server emulator scripted in SCP. This archive has a 2018 Windows build, configs and scripts.
Sphere Syntax Editor
Sphere Syntax Editor is the vSCP 2012 syntax editor for Sphere SCP scripts under another name, with highlighting and autocomplete. Toolbox copy.
SphereMonitor
SphereMonitor is a small Windows utility that connects to a Sphere server by host and port to watch that the Ultima Online shard is running.
SphereScripter
SphereScripter (Sphere Script Generator v0.1 by Patrick Donlin, 2002) helps create item, weapon and armor SCP scripts for Sphere servers.
SphereScriptGenerator
Sphere Script Generator (55i) by Patrick Donlin is a form-based generator of weapon, armor and item SCP scripts for Sphere Ultima Online servers.
SphereService
SphereService runs SphereSvr as a background tray service on Windows, restarting the Ultima Online server after crashes and starting it on boot.
SpyUO
SpyUO 1.10 is a packet sniffer that shows decrypted Ultima Online client and server packets, with loot and vendor analyzers. 1.03 source included.
Static Fix 0.1
Static Fix 0.1 reads Ultima Online statics files, removes invalid and duplicate statics and writes clean files. Archived from the Manawydan collection.
Stavby a multi.mul (Buildings and multi.mul)
Czech tutorial by RadstaR showing how to extract a building from Ultima Online statics and save it into multi.mul with WorldMaker Multi Editor.
Stavíte na Sphere? Zkuste UO Architect!
Czech tutorial by Aramis (2006) on designing a building in UO Architect and placing it on a Sphere Ultima Online server with .unextract.
SUMP
SUMP is a C# Ultima Online client patcher with options for encryption removal, multi-client, always light, no-draw, global sound and stamina.
SunUO 0.5.1
SunUO 0.5.1 is a RunUO-based Ultima Online server emulator, archived with its C# source code and changelog from the Manawydan collection.
Terra Mystica Tool
Terra Mystica Tool (TMTool) is a small German Windows utility from the Terra Mystica Ultima Online freeshard, archived from the UO Toolbox.
TilData Editor
TilData Editor (TileData.exe, 2001) is a Windows editor for the Ultima Online tiledata.mul file with item and land tile names and flags.
TildataEditor
TildataEditor (2006) is a Windows editor for the Ultima Online tiledata.mul file, a newer tool than the 2001 TilData Editor. From Manawydan.
Ultima Mapper
Ultima Mapper is a standalone map viewer for Ultima Online that renders all facets from client data files, with zoom, search and image export.
Ultima Online Map Editor 0.2 Alpha
Ultima Online Map Editor 0.2 Alpha is an early editor for the Ultima Online MAP0.MUL terrain file. C source code included. From Manawydan.
Ultima Online SDK 2.2
Ultima Online SDK 2.2 is a C# library for reading Ultima Online client data files, archived with DLLs and source for .NET 1 and .NET 2.
UltimaLive
UltimaLive is a system for RunUO and ServUO that streams live map and statics changes to connected Ultima Online clients without patching. With source.
UO Animation Calculator
UO Animation Calculator computes the first and last frame position of an Ultima Online animation ID in anim.idx, used when adding animations.
UO Architect 2.7.3
UO Architect 2.7.3 by Orbsydia is a tool for designing, extracting and placing Ultima Online buildings via RunUO, with several versions and source.
UO Architect v2.6.8mod-K
UO Architect v2.6.8mod-K by Kons is a modified UO Architect building designer with support for the Ultima Online Stygian Abyss client files.
UO Art Extractor
UO Art Extractor is a Windows tool that saves Ultima Online land tiles, static art and gumps from the client files as image files.
UO Building Rotator 1.0 Beta
UO Building Rotator 1.0 Beta is a small tool that rotates an Ultima Online building design from south-facing to west-facing orientation.
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 House Editor 2.05
UO House Editor 2.05 is a Windows tool for designing houses and other buildings for Ultima Online shards. Archived from the Manawydan collection.
UO Hue Editor
UO Hue Editor is a standalone Delphi editor for the Ultima Online hues.mul color palette file, for creating custom hues. Source code included.
UO Localization 2.2
UO Localization 2.2 is a small editor for Ultima Online cliloc localization files, used to translate client messages. Versions 2.1 and 2.2.
UO Localization Editor 2.0.0 Final
UO Localization Editor 2.0.0 Final by Ravenal is a Windows editor for Ultima Online cliloc files, used to translate client text strings.
UO Log Analyzer 1.0.2.6
UO Log Analyzer 1.0.2.6 (RunUO Log Analyzer) parses RunUO server console logs for Ultima Online shard admins. Includes help and a Flash demo.
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 Mul Editor 0.6.8
UO Mul Editor 0.6.8 is a Windows editor for several Ultima Online MUL client data files. Archived from the Manawydan UO tools collection.
UO Paperdoll
UO Paperdoll is a PHP project that renders Ultima Online character paperdoll images for websites, as a local script or through a remote API.
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 Reader 0.0.8.7
UO Reader 0.0.8.7 by Kons is a viewer for the data files of the Ultima Online Stygian Abyss Enhanced client. Archived from Manawydan.
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 Spawn Map Utility
UO Spawn Map Utility 1.03 is an old Windows program for viewing creature and NPC spawn locations on Ultima Online maps. InstallShield setup.
UO Static Item Remover 2.01.02 beta
UO Static Item Remover 2.01.02 beta removes selected static items from Ultima Online statics files. Archived from the Manawydan collection.
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.
UO Wedding Setup 3.1.0
UO Wedding Setup 3.1.0 is a macro tool for Ultima Online staff that types prepared wedding ceremony scripts in game and writes texts into books.
UO:SA Loader v2.3.0.0
UO:SA Loader 2.3 by Kons removes encryption and changes the server IP of the Ultima Online Stygian Abyss enhanced client for freeshards.
UO3DMV R.6
UO3DMV R.6 (1999, by LXD) is a freeware 3D map viewer and editor for the Ultima Online world with terrain, static and first-person view modes.
UOAnim
UOAnim is a simple Windows tool for creating new Ultima Online creature animations frame by frame and saving them as UOP patch files.
UOAnimTool
UOAnimTool is a viewer for Ultima Online animations that exports frames to several image formats. Versions 1.0.1.0 CZ and 1.0.2.0 with C# source.
UOAssist
UOAssist is the original third-party assistant for Ultima Online with macros, hotkeys and spell shortcuts, predating Razor. 175 MB archive.
UOCartographer
UOCartographer is a map rendering tool for Ultima Online that creates high-resolution map images from client map data for docs and websites.
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.
UOCoast 1.0
UO Coast Creator 1.0 generates OSI-style coastlines between land and water in an Ultima Online map0.mul and writes the shore items to items.wsc.
UOCopy 1.0
UOCopy 1.0 copies map tiles and static items from one Ultima Online map0.mul and statics0.mul to another, for example to reuse OSI towns.
UOFiddler
UOFiddler is a viewer and editor for almost every Ultima Online 2D client file, based on the Ultima SDK. Version 4.6 plus UOP Packer plugin.
UOFontEditor
UOFontEditor is a Windows editor for the Unicode fonts used by the Ultima Online client. Archived from the Manawydan UO tools collection.
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.
UOKR Facet Reader 1.4
UOKR Facet Reader 1.4 displays the content of map facet files unpacked from Ultima Online Kingdom Reborn Facet UOP packages. Delphi source.
UOKR File Finder 1.0.0
UOKR File Finder 1.0.0 identifies the type of files unpacked from Ultima Online Kingdom Reborn UOP packages. Archived from Manawydan.
UOLandscaper
UOLandscaper 1.4 by Orbsydia generates Ultima Online map and statics files from painted BMP images, with versions 1.1 to 1.4 archived.
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.
UOLog 1.2 (Source)
UOLog 1.2 is a packet logger for the Ultima Online client with HexLex filters for capturing chosen packets. C source code of the last 1.x release.
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.
UOMap Fix 0.6
UOMap Fix 0.6 is a utility that repairs jagged tooth-like edges appearing in Ultima Online map files after generating terrain from BMP images.
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.
UOX3
UOX3 (Ultima Offline eXperiment 3) is one of the oldest Ultima Online server emulators, written in C++. Windows and Linux 0.99.2b packages.
Updatemap
Updatemap replaces all occurrences of a chosen item ID in Ultima Online map and statics files with another ID. From the Manawydan collection.
vCrypter 1.2
vCrypter 1.2 calculates Ultima Online login encryption keys for a given classic or enhanced client version, for use in sphereCrypt.ini.
Verdata Utils
Verdata Utils are small Windows programs for patching and repairing the Ultima Online verdata.mul patch file. Archived from Manawydan.
Vita-Nex: Core
Vita-Nex: Core 5.2.0.0 is a C# framework extension for RunUO and ServUO Ultima Online servers with PvP battles, events, notify and utility systems.
Vkládání itemů do verdata.mul (Adding Items to verdata.mul)
Czech tutorial by RadstaR on adding a new item graphic and its tiledata properties to the Ultima Online verdata.mul file with MulBuilder.
Vkládání nových animací (Inserting New Animations)
Czech tutorial by RadstaR on inserting a new creature animation into Ultima Online verdata.mul or anim.mul with UOAnim, Michelangelo and MulPatcher.
vSCP 2012
vSCP 2012 is a syntax editor for Sphere server SCP scripts with highlighting, autocomplete, code folding, bookmarks and help for Sphere elements.
vServerLauncher 1.1
vServerLauncher 1.1 downloads, installs and runs the latest SphereServer nightly build with scripts and helper tools in a few clicks.
Vytváření itemů s animací (Creating Items with Animation)
Czech tutorial by RadstaR on creating a new Ultima Online item with new art and an existing animation using MULBuilder, InsideUO and Anim.IDX Patcher.
WolfPack
WolfPack 12.9.13 Beta is an Ultima Online server emulator in C++ with game logic scripted in Python, editable without recompiling the server.
WorldForge
WorldForge is a classic Delphi map editor for Ultima Online map0, map2 and map3.mul files, archived with RadstaR RadMap WorldForge and 6.4 builds.
WorldForge 1.0 Beta
WorldForge 1.0 Beta is an early version of the WorldForge map and statics editor for Ultima Online, archived from the Orbsydia section of Manawydan.
WorldForge POL
WorldForge POL is a version of the WorldForge Ultima Online map editor with support for POL servers, archived with its source code.
WorldMaker Dekaru’s Edition 1.1
WorldMaker Dekaru's Edition 1.1 is a modified WorldMaker editor for Ultima Online mapX.mul files by Punt and Dekaru. Sources included.
WorldMaker Map Editor
WorldMaker Map Editor by Punt is a Qt4-based editor for Ultima Online mapX.mul terrain files. C source code and required Qt4 DLLs included.
WorldMaker Map Generator
WorldMaker Map Generator by Punt generates Ultima Online map and statics files from UO Landscaper BMP images, reusing its transitions.
WorldMaker Map Generator 2
WorldMaker Map Generator 2 by Punt builds Ultima Online map and statics files from BMP images in UO Landscaper format. Altitude mod included.
WorldMaker Multi Editor
WorldMaker Multi Editor by Punt is a Qt4 editor for the Ultima Online multi.mul file, used to build and export houses and other multis.
XMLSpawner
XMLSpawner 2.1 is the XML-based spawner system for RunUO and ServUO Ultima Online servers, with conditional spawns, quests and attachments.