Interactive Fiction Sites

Interactive fiction games: More than retro fun   A nice introductory article to the delights of IF and Zork in particular.  Brass Lantern   A great online magazine for players and writers of interactive fiction.  Grand Text Auto   Collaborative weblog on all things IF.

Other Online Games or Interpreters

Versificator - Online Text Adventures   Two, well written and implemented Javascript games available online.  Parchment   A beautiful Javascript Z-Machine interpreter. Works well on modern desktop browsers.  ZPlet   A Java applet based Z-Machine interpreter, works in a browser providing that you have a Java Runtime Environment installed.

Creating New Games

Inform 7   A cross-platform IDE for creating Z-Machine games that you program in plain English (almost). A monumental piece of work, using this you'll have written your first game within hours.  TADS 3   A more traditional language that creates TADS games which require a TADS interpreter to run.