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.
Toolbox Archive (72)
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.
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.
Damage Calculator
Damage Calculator is a small console program that computes Ultima Online weapon damage from stats, skills and modifiers for balancing and testing.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
SUMP
SUMP is a C# Ultima Online client patcher with options for encryption removal, multi-client, always light, no-draw, global sound and stamina.
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.
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.
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 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 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 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 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 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 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.
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.
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.
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.
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.
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.
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.
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.
vServerLauncher 1.1
vServerLauncher 1.1 downloads, installs and runs the latest SphereServer nightly build with scripts and helper tools in a few clicks.
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.
XMLSpawner
XMLSpawner 2.1 is the XML-based spawner system for RunUO and ServUO Ultima Online servers, with conditional spawns, quests and attachments.