The Z-machine Preservation Project is a Java implementation of the Z-machine (Java version >= 5 is required) specification. This Z-code interpreter can be run either as a standalone application or as an applet within a Web browser. It runs Interactive Fiction created by Infocom as well as those compiled with Inform, and targets all existing story file versions. Features include saving the game state, multimedia support (graphics, sound effects, meta data), colored and styled text, undo, and timed input as well as support for different languages. Games in the Inform 7 release format are supported as well (Treaty of Babel specification).
Deliantra is an advancement of the crossfire multi-user RPG game. Unlike the original project, it focuses mainly on stability and playability, but also adds modern technology such as map scripting, Perl server extensions, asynchronous I/O, higher resolution graphics, and better client support.
GNU FreeDink is a portable and enhanced version of the Dink Smallwood game engine. It aims at running the original game as well as its D-Mods (Dink MODules, or add-ons), with close compatibility, under new platforms. The internals of the engines are being cleaned up to allow for portability and later improvements.
Choerbaerts Suche nach dem Rönk (Choerbaerts search for the Rönk, or CSNDR for short) is the name of a 2d adventure. Its code is based on SDL and OpenGL. It is written in C++. At the moment, it is still under heavy development. There are playable releases available, but they are mainly for testing purposes without any story elements.
OpenMW is an attempt to reimplement the popular role playing game Morrowind. It aims to be a fully playable implementation of the game that will run on Linux, Windows, and Mac OS X. No game data is distributed with the code; the user must already own a copy of Morrowind to use the software.
AYUMiS is a project aiming to create a cross-platform MMORPG set in space. It is developed in C++ with ClanLib. It will give the player full control over the game universe, with no NPCs or pre-planned storyline. It attempts to give the player a full range of choices and open-ended gameplay.