Bow (or libbow) is a library of C code useful for writing statistical text analysis, language modeling and information retrieval programs. The current distribution includes the library, as well as front-ends for document classification (rainbow), document
The NetAnalyzer Project drives open source development of interactive control, debugging, analysis, and visualization tools for Hierarchical Temporal Memory (HTM).
This relates to the recent Slashdot-posted paper about the world being a VR. If indeed human mind is non-computable, the world can't be VR. Cf. On Intelligence.
Emergent (a major rewrite of PDP++) is a comprehensive simulation environment for creating complex, sophisticated models of the brain and cognitive processes using neural network models.