Inform 7

Inform 7 is an interactive fiction authorship system. It’s not the only one out there (see the other resources on Writing IF for how to choose a system), but it’s the one I use; I’ve also been quite closely involved in its development.

Of potential interest to Inform 7 users:

There is not an official separate forum or mailing list for Inform 7, but many people discuss coding issues on the intfiction forum. A search of the group will turn up answers to some frequently-asked questions.

Also of possible interest: IFDB tracks I7 games with released source code.

The Inform 7 page lists assorted tutorials and other helps.

And some odd/esoteric uses of I7: