1.TrinityCore / TrinityCoreTrinityCore Open Source MMO Framework (master = 12.1.5.70688, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60895)trinitycorewowlinuxmulti-platformmultiplayermmorpg+1 moreC++GPL-2.011K total6.5K forks+9 starsfrom 10,843 · score 2.30
2.Quaint-Studios / ReiaRPG game action-adventure MMO built with Godot and Rust.3dgamemmorpgmmoadventuregodot+13 moreGDScriptAGPL-3.0985 total66 forks+3 starsfrom 982 · score 1.39
3.Open-KO / KnightOnlineOpenKO is an open source version of the old school Knight Online MMORPG. Specifically designed for version 1.298.gamemmorpgdirectxknight-onlineC++MIT378 total243 forks+3 starsfrom 375 · score 1.39
4.arianne / stendhalStendhal is a fun friendly and free multiplayer online adventure game with an old school feel.gamegame-serverrpgmmorpgjavaJavaGPL-2.0706 total230 forks+1 starsfrom 705 · score 0.69