RunUO

The Foundation of Ultima Online Emulation Since 2002

Computer program · runuo.com

Open RunUO in AirStack

What RunUO’s own pages say

What it says it doesThe Foundation of Ultima Online Emulation Since 2002 runuo.com
Free planYes runuo.com
Open sourceYes runuo.com
LicenseOpen source under the GPL license. runuo.com
Customers (their claim)Trusted by thousands of servers and 500,000+ players worldwide. runuo.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.