Systematic Analysis of Language Transcripts (SALT)http://www.languageanalysislab.com/
Try SALT demo here http://www.saltsoftware.com/salt/downloads/
Computerized Profiling for Phonology (PROPHET)
http://www.computerizedprofiling.org/cpinfo.html
Try PROPHET here http://www.computerizedprofiling.org/downloads.html
Nasometer
~http://www.kayelemetrics.com/index.php?option=com_product&controller=product&Itemid=3&cid[]=78&task=pro_details
~http://www.cstr.ed.ac.uk/research/projects/artic/nasometer.html
Computerized Articulation and Phonology Evaluation System (CAPES)
http://www.pearsonassessments.com/HAIWEB/Cultures/en-us/Productdetail.htm?Pid=0158123999&Mode=summary
The Child Language Data Exchange System (CHILDES)
http://childes.psy.cmu.edu/
Let me know any other computerized diagnostic tools.