Inform

Description
Inform is an authoring system for interactive fiction. It is written and maintained by Graham Nelson, and was first introduced in 1993. It can compile to the Z-code story file format, and newer versions can also compile to the Glulx file format.

Extensions

 * .inf: the standard extension for an Inform source code file in a version earlier then Inform 7.


 * .i7: The standard file extension for an Inform 7 source file.


 * .i6: Sometimes seen to refer to Inform 6 files as opposed to Inform 7 files, usually in projects mixing both Inform 7 and Inform 6 code, and intermediate files generated by the Inform 7 natural language parser.

Resources
IFWiki page on Inform

Inform 7 home page