Praat - A system for doing phonetics by computer  
   Free software for acoustic analysis. (by Paul Boersma, University of Amsterdam)
   http://www.praat.org

Speech Filing System Home Page  
   Acoustic analysis software for Windows and Unix.
   http://www.phon.ucl.ac.uk/resource/sfs/

Transcriber  
   Open (GNU) software for segmenting, labeling and transcribing speech.
   http://www.etca.fr/CTA/gip/Projets/Transcriber/

Development System for Auditory Modelling  
   Software that models the auditory system.
   http://www.essex.ac.uk/psychology/hearinglab/dsam/

Optimality Theory Software  
   OTSoft is meant to facilitate analysis in Optimality Theory (Prince and Smolensky 1993) by using algorithms to do work that would have to be done (tediously, and perhaps unreliably) by hand. [by Bruce Hayes, UCLA]
   http://www.linguistics.ucla.edu/people/hayes/otsoft/

Speech Synthesis and Analysis Software  
   Listing of software for speech synthesis and analysis.
   http://sound.condorow.net/speech.html

Speech Visualization Software Tools  
   Shareware tools for speech training using real time visual feedback on sounds. Runs on Windows 95 or 98. Includes spectrograms.
   http://www.langvision.com/

JavaSpeechLab  
   Speech analysis software written in Java 1.1.
   http://scgwww.epfl.ch/JavaSpeechLab/

JSyn - Java Audio Synthesis  
   Java API for real-time audio synthesis and computer music.
   http://www.softsynth.com/jsyn/

IPACLICK  
   A freely accessible phonetic type-and-clickwriter for IPA symbols in Unicode. Also includes "superlinguistic" names of consonants shown in phonetic script.
   http://www.ling.su.se/fon/IPA-tecken.htm

UPML - Universal Phonetic Markup Language  
   An XML Based technique to transcribe phonetics: specifications, Document Type Description, some useful stylesheets to convert existing XML documents and an interesting set of case studies for specialists.
   http://www.geocities.com/polmino/upml/