PaulRPG: A free role playing game engine, to enable people to create free "Final Fantasy" style games. The data file formats are reasonably cross-platform supportable, they would just need an interpreter for the different platforms.
DragonRoot is a game engine designed to support 3D Role-Playing games. DraongRoot: Role-Playing game engine 1.0 License - GNU General Public License (GPL)
Rune Keepers will be a story-driven Roll Playing Game made for educational purpose. The base language of the game will be french, but translations will be provided. We will use Ogre 3D has our rendering engine, NxOgre for physical simulation, FmodEX. Rune Keepers 1.0 License - GNU General...
Roll Playing Game development environment, made with PyGame, Ogre, wxPython. Ultima Realidad - RPG Development Engine 1.0 License - GNU General Public License (GPL)
A role playing game engine in Java along with necessary design tools to allow even beginner game designers to start into the world of game development and design. Based loosely on early Final Fantasy engines with enchancements.
IRE is a tile-based Computer Role-Playing Game engine based on Ultima 6, but with an emphasis on customisation and cross-platform support. Everything is controlled using scripts.
This is a 2d tile-based RPG (Role Playing Game) engine targetted at the J2ME / MIDP application platforms (PDAs, java-enabled cellphones) but is also cabable of running on a J2SE enabled platform (either applet or stand alone java app).
Asplosion RPG Engine is a command-line RPG (role-playing game) engine. Unlike other rogue-like game (such as Nethack), Asplosion focuses on party-based gameplay. Asplosion RPG Engine 1.0 License - BSD License
An online text-based role playing game engine. similar to MUDs and online worlds.
phpRPG is a multiplayer role playing game engine driven by PHP and MySQL, with aims to develop a web-based game engine which shares common qualities between multiple user dungeons (MUDs), paper & pen RPGs and computer RPGs.