TRINDIKIT is a toolkit for building and experimenting with dialogue systems based on information states, that has been developed in the TRINDI and SIRIDUS projects.
Howe is a spoken dialogue system project designed for browsing instructions. The project serves as a base for research on new dialogue system capabilities.
A Prolog expert system supporting querying and extending the knowledge base from a command-line interface using a format oriented on natural language, with the aim of being maintainable by the domain expert (i.e. without requiring programming skills).
Leo is a project to provide an architecture for defining XML
specifications of grammars for different natural language parsing
systems and tools for using that architecture to permit sharing of
grammar resources across different systems.