ConceptChoir

ConceptChoir is a revolutionary information organizing and searching tool that enables information professionals to create and manage sophisticated and data classification systems. It is a completely web-based editorial support system for managing and maintaining concept-based controlled vocabularies, classifications and thesauri.

SeekChoir

SeekChoir is a robust, full-featured retrieval system that enables users to browse and navigate controlled vocabularies, allowing the searcher many ways to investigate and employ related and synonymous topics and concepts while searching.

ViewChoir

ViewChoir is a read-only version of ConceptChoir enabling collaborative thesaurus building and electronic publishing of thesauri and other controlled vocabularies on the Web. It enables the thesaurus you create to be available for anyone to browse and navigate. 

MetaIndexer

MetaIndexer is a metadata tagging service that enables enterprise editors to tag any kind of data on any website using metadata and to organize websites using user-definable facets or categories.

MetaSearcher

MetaSearcher is a metadata searching service for enterprise websites supporting users in finding what they are looking for through metadata searching and/or category browsing.

TCS-10

TCS-10 is a client/server version of ConceptChoir designed for creating vocabularies for projects with up to 10 users.