A production rule based system implemented in a Common Lisp Object System (CLOS) for the development of Lisp based intelligent software agents. [LGPL]

Programs to cluster similar contexts together using unsupervised knowledge-lean methods for word sense discrimination, email categorization, and name discrimination. Written in Perl. [GNU]

Hidden Markov Models software library from the Center of Applied Informatics, Cologne. Includes algorithms such as Viterbi, Baum-Welch, and Forward-Backward. [GPL]

Computational model of human language acquisition written in Java; currently acquires a protolanguage of nouns and verbs language based on visual perception. [BSD]

A general purpose library for Bayesian filtering written in C++. [LGPL]

A library of C++ classes for Bayesian Filtering of discrete systems. [MIT]

EBBA is an open-source project aiming to develop an advanced chatbot by combining AIML, 3d facial expressions, speech synthesizer and iq-test solving functionality.

"Nearly Intelligent Computer Operated Language Examiner" - NICOLE is a theory or experiment that if a computer is given enough combinations of how words, phrases and sentences are related to one another, it could talk back to you.

PyAIML is an interpreter for AIML (Artificial Intelligence Markup Language), implemented in 100% pure standard Python.

PHP implementation of AIML interpreter. Program E is an AIML chat bot written using PHP and MySQL.