Recomp / Preservation & revivals / Windows

RunUO

Long-running C# Ultima Online server emulator, founded in 2002 and the base of many player-run shards.

Rewrite Not stated released

⬇ Download v3.1 Source code Website

Stars—

Commits, 30 days—

Latest releasev3.1Sep 18, 2025

Last push—

Facts

Original: Ultima Online (1997)
Platform: Windows
Method: Rewrite
Provenance: Not stated what this means
Status: released
Licence: GPL-2.0
Team: RunUO-Team
Started: 2025-09
Needs the original: Yes: you supply your own legally obtained copy

How to get it legally

This project ships code only. Build or download it from the official repository, then supply data from a copy of Ultima Online you own. Recomp never links to ROMs, discs or game data.

This project was rebuilt by RunUO-Team. Facts last checked 2026-10-17. Suggest a correction

Sources

Something wrong or out of date? Send a correction.

All preservation & revivals →

Windows · 2019

accd

Assetto Corsa Competizione dedicated server

Clean-room C reimplementation of the Assetto Corsa Competizione dedicated server that unmodified clients can race on, running natively on Linux and BSD without Wine or Kunos binaries, plus a live telemetry feed.

Clean-room Not stated

Windows · 1999 · ★ 345

ACE

Asheron's Call

Server emulator for Asheron's Call, the MMORPG whose official service was shut down in 2017.

Rewrite Human-led

+1 ★ in 3 days

Windows · ★ 741

Age LAN Server

Age of Empires DE series and Age of Mythology: Retold

Local web server and launcher that lets Age of Empires Definitive Editions, Age of Empires IV and Age of Mythology: Retold host multiplayer lobbies without the official game servers.

Clean-room Not stated

Windows · ★ 33