- Ported the TADS 2 demo code 'Goldskull' to Inform
- Wrote the WorldClass class hierarchy diagram for Dave Baggett's WorldClass library for TADS
- Maintainer of the online Encyclopedia Frobozzica by Nino Ruffini
- Maintainer and developer of the Jzip interpreter
- Ported the "Fast & Small Inform 386 5.5 (1502a)" compiler for better performance
- Porter / Compiler of the GINAS Authoring System by Jeff Standish.