MIND
--------
OpenCogPrime
http://www.opencog.org
Adapted from the original C++ implementation. Several key classes have been renamed - the changes (and reasons for them) are documented in comments.

NARS Non-Axiomatic Reasoning System
http://code.google.com/p/open-nars/

RelEx English-language dependency relationship extractor (Java)
http://opencog.org/wiki/RelEx

NLGen2 English natural-language generator (Java)
https://launchpad.net/nlgen2

OpenRDF (Sesame & Elmo)
http://openrdf.org
RDF/OWL http://en.wikipedia.org/wiki/Web_Ontology_Language

Neuroph Neural Network Library
http://neuroph.sourceforge.net
Adaline, Perceptron, Multi Layer Perceptron with Backpropagation, Hopfield network, Bidirectional Associative Memory, Kohonen network, Hebbian network, Maxnet, Competitive network, Instar, Outstar, RBF network, Neuro Fuzzy Reasoner

JUNG - Graph (net) data and visualization
http://jung.sourceforge.net

HyperGraphDB
http://code.google.com/p/hypergraphdb/

JScheme - Scheme implemented in Java, and interfaces with it
http://jscheme.sourceforge.net/jscheme/main.html

Groovy - JVM scripting language, with dynamic, OOP, and functional programming abilities
http://groovy.codehaus.org/

SPACETIME
-------------------
JReality - 3D Video, Audio
http://www3.math.tu-berlin.de/jreality/
Adapted and componentized from original code for consistency with JCog.

JBullet - Physics Engine
http://jbullet.advel.cz/ wrapper for http://www.bulletphysics.com/

Scenario - 2D Swing-based Scenegraph API
https://scenegraph.dev.java.net