Obsidian Shard
- Free shard with very customized UO landmass, focuses on PvP combat.
- http://www.dxgaming.com/obsidian/

Deusovis
- Very customized and active shard, established in 2000.
- http://www.uo.jolt.co.uk

Project Seanchen 3.0
- Message boards, rules, staff, skills and guides.
- http://discussion.seanchen.net/

Divinity
- Shard centered around The Second Age era of Ultima Online.
- http://www.uodivinity.com/

The Panultima Endeffect
- Includes documentation, downloads, information for a difficult shard focusing on cleanliness and playability.
- http://www.panultima.net

Welcome to the Urilia Home Page
- Urilia is modelled after the AD&D Second Edition systems.
- http://www.urilia.com

Pacifica Ultima Online Free Shard
- Freeshard centering around the Samurai Empire extension and a japanese theme overally.
- http://s11.invisionfree.com/Pacifica/

Pandora Ultima Online Shard
- The Pandora shard we focuses on role playing. UO is used for its ability to bring people together.
- http://www.CTlinx.org/uo

Neverlands
- Neverlands is a Ultima Online freeshard, offering Renaissance and Age of Shadows.
- http://www.neverlands.org

Akara Essex
- Roleplaying Shard with custom map, race system and level system.
- http://www.akaraessex.com

The Nightscape Shard
- The Nightscape Shard is an Ultima Online shard in beta stage, devoted to Roleplaying.
- http://www.nightscapeonline.com/

The Miracle Shard
- Italian Roleplaying Shard.
- http://themiracle.igz.it

UnrealUO
- A single-facet RPG & PvP shard closely based on The Second Age (Pre-UO:R).
- http://uo.unreal.us

World of Darkness - UO Server
- Spanish Ultima Online server with automated tournaments and events.
- http://www.uowod.com

An Nox the Fourth Age
- A free Ultima Online shard featuring free fantasy swords, ten races, and slot machines.
- http://uoshard.blogspot.com/

RunUO Website
- RunUO is another free emulator for the Ultima Online game. It requires developers to know the C programming language, but it supports the .net framwork.
- http://www.runuo.com/

Official POL Website
- This is a community of developers who use the POL emulator to run Ultima Online servers. POL is the most stable and easily modified emulator available.
- http://www.polserver.com/

Elderlands
- Highly customized shard, completely overhauled magery system. Large community.
- http://www.elderlands.de/

Siebenwind
- German shard that focuses on roleplaying. Lots of playable races and a lot of material on site.
- http://www.siebenwind.de/

Legends of Ederia
- A unique Role-Playing experience, new lands and sea's to discover. To find friend, or foe? Fate is in your hands as you walk the land of Ederia...
- http://loe.freehosting.net/

Etheria
- Custom built map, created with Worldforge, and running on POL emulator.
- http://www.etheria.org/

Dark Age II
- About the Dark Age shard, with Enforced RP, with no PvP-PK.
- http://www.darkagerp.com/

WirePlay LothLorien
- UK based shard with lots of custom scripts ranging from weekly lottery to runed weapons that cast spells.
- http://lothlorien.wireplay.co.uk/

Ultima Online Top 200
- Top sites list for player-run shards.
- http://www.gamesites200.com/ultimaonline/

Vortia
- Shard using RunUO emulator. Includes rules, downloads, and forums.
- http://vortia.mine.nu/

Twisted Realms
- This is a Monty Python based shard. Come join the quest for the Holy Grail. Multiple T1s, Dual PIII. Fun is a requirement.
- http://cmt.tstc.edu/sphere

Blackthorne's Domain
- Young roleplaying shard where players start with skills and stats similar to the Origin servers.
- http://blackthorne.50megs.com/

Final Aegis
- Includes rules, staff, server status, character biographies, guild list, history, and forum for a strongly enforced roleplaying community with a small player population. Uses Sphere 551.
- http://www.metasquares.com/aegis/

Dragoness
- Non-profit public game server for Ultima Online.
- http://www.dragoness.org

Sanctuary Shard
- Adult only shard which encourages role playing. Features a user manual, message board, and updates.
- http://www.sanctuaryshard.com

Dunhallow II
- Features FAQs, downloads, members list, and resources.
- http://www.starshadow.org

Ackadia
- Features background information, manual, logs, discussion boards, downloads and how to join.
- http://www.ackadia.org

Allanthya
- Home not only to a mud, but also to a shard: features include FAQs, rules, documentation and downloads.
- http://uo.allanthya.org/

Monty Python Shard
- Rules, screenshots, and download.
- http://otherworlds.homeip.net/

The Lands of Kalmiria
- A free Ultima Online player run shard.
- http://www.kalmiria.com/

Novus Opiate Seclorum
- A large player run shard, currently averages up to 350 online during peak times.
- http://www.novusopiate.com/

The Old World
- A German player run shard
- http://www.oldworld.de/