RunUO icon
RunUO icon

RunUO

RunUO is a free, open-source Ultima Online server emulator written in C#. Originally founded by Ryan McAdams in 2002, RunUO has been the foundation for countless Ultima Online shards and has contributed significantly to the UO emulation community.

Cost / License

Platforms

  • Windows
  • Mac
  • Linux
  • Self-Hosted
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Features

  1.  Support for scripting
  2.  Extensible by Plugins/Extensions

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RunUO information

  • Developed by

    RunUO-Team
  • Licensing

    Open Source (GPL-2.0) and Free product.
  • Written in

  • Alternatives

    3 alternatives listed
  • Supported Languages

    • English

GitHub repository

  •  8 Stars
  •  6 Forks
  •  1 Open Issues
  •   Updated  
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What is RunUO?

RunUO is a free, open-source Ultima Online server emulator written in C#. Originally founded by Ryan McAdams in 2002, RunUO has been the foundation for countless Ultima Online shards and has contributed significantly to the UO emulation community.

Features:

  • Full UO Protocol Support: Complete implementation of the Ultima Online network protocol
  • Dynamic Script System: Hot-swappable C# scripts for game content without server restarts
  • Multi-Era Support: Compatible with multiple UO client versions
  • Advanced Persistence: Robust world saving system with multiple save strategies
  • Extensible Architecture: Modular design allowing easy customization and expansion
  • Cross-Platform: Runs natively on Windows, Linux, and macOS with .NET 8
  • Modern Platform: Built on .NET 8 for improved performance and cross-platform support

Official Links