From Motorola.
http://margo.student.utwente.nl/el/fuzzy/fuzdsk1.zip
An extension of the CLIPS (C Language Integrated Production System) expert system shell. Demonstration programs, user documentation, software downloads and licensing opportunities.
http://ai.iit.nrc.ca/IR_public/fuzzy/fuzzyClips/fuzzyCLIPSIndex.html
A set of Java classes that handling and reasoning with fuzzy concepts.
http://ai.iit.nrc.ca/IR_public/fuzzy/fuzzyJavaToolkit.html
A development environment for JFL, combining features from traditional programming languages with fuzzy logic and machine learning. Freeware for Windows 95/98/NT and Linux.
http://inet.uni2.dk/~jemor/jfs.htm
http://margo.student.utwente.nl/el/fuzzy/fuzdsk3.zip
Xfuzzy is an environment for the design, verification and synthesis of fuzzy logic based systems in software or hardware
http://www.imse.cnm.es/Xfuzzy/
A collection of M-files for Matlab. Free to download.
http://sipi.usc.edu/~mendel/software/
http://margo.student.utwente.nl/el/fuzzy/fuzdsk2.zip