University of Twente. Interaction models in (spoken) dialogue systems, specification techniques and multimodal systems and virtual environments, multiagent virtual environments.

Upgrade your PC to a VIC-20. Runs on MS-DOS, OS/2 or Windows.

The Toolkit for Conceptual Modeling (TCM) is a collection of software tools to present conceptual models of software systems in the form of diagrams, tables, trees, and the like.

Home of the PCVIC emulator, freeware archive and a VIC-20 programming page.

Vic-20 emulator, written in assembler.