PocketTADS - TADS interpreter for PocketPC. - http://www.progsoc.org/~drbatter/ptads/
Playing TADS Games - TADS games can be run on most popular modern computers. If your machine has at least a megabyte or two of memory, there's a good chance you'll be able to play a game written in TADS. - http://www.tela.bc.ca/tela/tads/playing/
Jetty - TADS 2 interpreter written in Java, by Dan Shiovitz. - http://www.drizzle.com/~dans/if/jetty/
HyperTADS - Multimedia TADS interpreter for Macintosh System 7 to MacOS 9. - http://teladesign.com/hypertads/