Evolving English: One Language, Many Voices
IPA Writing System for IE (Stockholm University)
Praat: Doing Phonetics by Computer (University of Amsterdam)
ProsodyPro: A Praat script for large-scale systematic prosody analysis
Phonetics: The Sound of American English (University of Iowa)
Phonotactic Probability Calculator (University of Kansas)
The Rated L2 Speech Corpus (Illinois Speech and Language Engineering, the University of Illinois)