MARF is a general cross-platform framework with a collection of algorithms for audio (voice, speech, and sound) and natural language textanalysis and recognition along with sample applications (identification, NLP, etc.) of its use, implemented in Java.
SetFon focus is an interface web based for Praat resources (www.praat.org) wich focus speech sound annalysis; it is a gerent program for acoustic analysis PHP/Mysql based. Developed with the framework SIMP.
A ContextTree is a way of dynamically forming relationships between information: the same information can be viewed in different ways, depending on what you want from it.