Corsis (formerly Tenka Text) is a now an open source project at Sourceforge. It is a freeware designed to look and feel like the commercial software and corpus tool standard, Wordsmith Tools. For more details and download see the Corsis main page.
http://www.corsis.de/
CORSIS (formerly Tenka Text) is a performance‐oriented, open‐source library for corpus analysis. It utilizes typed assembly, task‐specific compilers and parallelization to deliver the best performance with elegant design. Demonstrative GUI of the project comes with Wordlister - an advanced, extremely fast graphical wordlist tool and a regex concordance tool. CORSIS - the open-source answer to WordSmith Tools.
http://www.ohloh.net/projects/3467?p=CORSIS&ref=WidgetProjectPartnerBadge
http://www.corsis.de/
CORSIS (formerly Tenka Text) is a performance‐oriented, open‐source library for corpus analysis. It utilizes typed assembly, task‐specific compilers and parallelization to deliver the best performance with elegant design. Demonstrative GUI of the project comes with Wordlister - an advanced, extremely fast graphical wordlist tool and a regex concordance tool. CORSIS - the open-source answer to WordSmith Tools.
http://www.ohloh.net/projects/3467?p=CORSIS&ref=WidgetProjectPartnerBadge