jFuzzyLogic is a java implementation of a Fuzzy Logic software package. It implements a complete Fuzzy inference system (FIS) as well as Fuzzy Control Logic compliance (FCL) according to IEC 61131-7 (formerly 1131-7).
JFuzzyQt is a clone jFuzzyLogic (Fuzzy Logic library and FCL language implementation). It is a fuzzy logic package written in C++/Qt. Supports: Mamdani, Larsen, Tsukamoto and Takagi-Sugeno conclusions