The software is capable of searching through unstructured data such as email, word processor documents, images, text files and spreadsheets, as well structured data including databases, payroll, HR systems, and SAP.

Simplexo Enterprise uses the indexing capabilities of databases and other legacy software and therefore does not need to index this data. It only indexes unstructured data, reducing the amount of resources taken up by search indexes.

Alistair Handyside, Simplexo’s CEO, said: It’s a huge leap forward in enterprise search technology. We believe Simplexo Enterprise will significantly reduce the amount of time information workers spend looking for information. We are responding to an increasing demand for the ability to simultaneously and securely search huge and diverse data repositories across the enterprise, enabling rapid information discovery and accurate decision-making.

Results from searches are tied to user permissions, limiting the data people can see to information that is relevant to them. The technology will be able to return live, up-to-date information in real time, which the company hopes will improve the accuracy of search results.

The technology is designed to Ministry of Defence security levels.

Simplexo Enterprise has already been used run the UK government’s local election pilots for almost 700,000 concurrent users and also supplied one of the first applications to BSkyB for secure online voting.

IT research firm Gartner said in a February 2008 report that the worldwide enterprise search market will surpass $1.2bn (£680m) in total software revenue by 2010. Analyst firm Butler Group recently reported that information-based workers spend up to 20 hours a week searching for information.

A Butler Group report from July 2008 praised the software’s, Effective content searching of multiple data sources within the corporate firewall and simple installation and efficient run-time architecture.

Other vendors in the open source enterprise search market include the likes of Solr, Kneobase and Apache Lucene.