ZILF 0.6 is now available on Bitbucket:
This repository is deprecated. Please use the Bitbucket repository instead:
The source code repository has been converted to Mercurial, and the SVN repository is no longer available.
ZILF is a toolkit for creating interactive fiction using ZIL, the Lisp-like language originally developed by Infocom for the home versions of Zork, targeting the virtual Z-machine. It includes a compiler ("ZILF"), assembler ("ZAPF"), game library, and other utilities.
ZILF 0.3 is the initial open source release. The game library is released under a modified BSD license; the compiler and other tools are released under GPLv3. The major improvements in ZILF 0.3 are in the game library, but there are also some new features and bug fixes in the compiler and assembler (including support for targeting Z-machine version 8). Code for a disassembler and pretty-printer are now included in SVN, although these utilities are not yet ready for prime time.