SpyUO is a network packet analyzer for the Ultima Online protocol. It captures and decodes packets between the UO client and server, displaying them in a human-readable format. Invaluable for server emulator developers debugging protocol issues, implementing new packet handlers, or reverse-engineering client behavior. The archive includes SpyUO version 1.10 with both 32-bit and 64-bit zlib support, plus the version 1.03 source code.

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• SpyUO (611 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

SUMP is a utility for working with Ultima Online MUL (data) files. It provides basic operations on UO’s proprietary asset files including viewing, extracting, and simple modifications to art, tile, and other game data files.

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• SUMP (33 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

TDVPatchmaker is a patch file creation tool for distributing UO client modifications. It generates compact patch files that contain only the differences between original and modified client files, minimizing download sizes for players. Shard operators use this to create efficient update packages for custom art, map changes, and other client-side modifications.

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• TDVPatchmaker (1.5 MB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

Terra Mystica Tool (TMTool) is a terrain editing utility for Ultima Online maps. It provides tools for modifying land tiles, elevation data, and terrain textures in UO map files. A simpler alternative to full map editors like CentrED or WorldForge for quick terrain adjustments.

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• Terra Mystica Tool (247 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

Ultima Mapper is a comprehensive standalone map viewer and renderer for Ultima Online. It reads the UO client map data files and renders high-resolution, navigable map views of all facets (Felucca, Trammel, Ilshenar, Malas, Tokuno, Ter Mur). Supports zooming, panning, location search, coordinate display, and map image export. A substantial tool at 121 MB, useful for world exploration, shard documentation, and GM planning.

Downloads

• Ultima Mapper (121 MB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

UltimaLive is a plugin system that enables real-time map editing on a running RunUO or ServUO server. Players with appropriate permissions can modify terrain, place statics, and alter the game world without server restarts or client patches. Changes are streamed to connected clients instantly. This is invaluable for shard development, allowing GMs to build and test world modifications in real-time. The archive includes the DLL plugins (both Debug and Release builds), documentation, and full C++ source code.

UO Companion is a helper application that runs alongside the Ultima Online client. It provides supplementary information and convenience features to enhance the gameplay experience without modifying the game client itself.

Downloads

• UO Companion (1.7 MB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

A standalone hue (color palette) editor for Ultima Online’s hues.mul file. UO uses a system of 3,000+ color palettes (hues) that can be applied to any game graphic. This editor allows viewing, modifying, and creating custom hue entries — essential for shard developers who want custom-colored items, NPCs, or equipment not available in the default palette.

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• UO Hue Editor (228 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

UO Loop is a basic macro loop tool for Ultima Online. It enables simple repetitive action sequences to be automated, reducing the tedium of tasks like skill training or resource gathering.

Downloads

• UO Loop (47 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).

UO Paperdoll is a tool for rendering and viewing Ultima Online character paperdoll images. It can display how equipment and clothing appear on the character sheet view, useful for testing custom art or verifying how new items look when equipped. Source code available (hosted on GitHub).

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• UO Paperdoll (8.7 KB)

Archived from the UO FreeShard Community Tool Box (archive.org, 2019).