Apache Tika (tika)
Category: content, library
Programming language: Java
The Apache Tika toolkit is an ASFv2 licensed open source tool for extracting information 
    from digital documents. Tika allows search engines, content management systems and other 
    applications that work with various kinds of digital documents to easily detect and extract 
    metadata and content from all major file formats.
    
Release: 1.4 (2013-06-16)