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Info updated: 2019-07-24
Average: 5 (4 votes)

 The following functions are supported:


  • Constraint ranking (using  Constraint Demotion (Tesar and Smolensky 1993) and other algorithms)

  • Diagnosis of failed constraint sets
  • Location of redundant constraints
  • Automated ranking argumentation
  • Preparation of standardly formatted tableaux
  • Factorial typology
  • IPA phonetic symbols

Version 2.1 of OTSoft (still posted on this site) also supports:

  • Hasse diagrams (graphic representation of ranking)
  • A priori (user-specified) rankings
  • Autoentry of some constraint violations by structural descriptions
  • "Stochastic tableaux" in the output of the Gradual Learning Algorithm

Version 2.3 (in beta) supports:

  • Improved ranking argumentation (algorithm of Prince and Brasoveanu)

  • Accurate assessment of "is needed" for constraints (fix bug)

  • Maxent grammars

OTSoft was programmed primarily by Bruce Hayes, with contributions by Bruce Tesar and Kie Zuraw.


For more information, contact the author of the software

Support free, email author
Status Stable/Production
SIL Status Not evaluated
Runs on Windows
Unicode compatible Yes
Features none listed
Interface language(s) English
Developed by
License Unknown
Download page Bruce Hayes' software page