Tracker is a powerful desktop-neutral first class object database, tag/metadata database, search tool and indexer. It consists of a common object database that allows entities to have an almost infinite number of properties, metadata , a comprehensive database of keywords/tags and links to other entities. It provides additional features for file based objects including context linking and audit trails for a file object. It has the ability to index, store, harvest metadata. retrieve and search all types of files and other first class objects