Reinforcement Learning Repository
A centralized resource for researchers of reinforcement learning. Maintained at Michigan State University.

Boosting Research Site
Scientific homepage on boosting and ensemble learning methods.

neural101.com
Non-commercial site for information related to trading the financial markets using neural networks. Includes message bases, links and database of trading indicators, systems, and scans.

Connectionists
Moderated mailing list for discussion of technical issues and dissemination of information pertaining to neural computations. Membership is restricted to students and faculty members.

Maximum Entropy Online Resources
Workshops, tutorials, papers and software related to maximum entropy.

Gaussian Processes
A website keeping track of developments in Gaussian processes. Has links to online papers and their authors and software.

Sequential Monte Carlo Methods
Website dedicated to sequential data analysis and tracking using particle filters.

Neuroinformatics
A hub for the neuroinformatics community, with information on workshops and courses. Also hosts the comp-neuro mailing list.

David E. Rumelhart Prize
An annual award for contributions to the formal analysis of human cognition.

Bibliographies on Neural Networks
Part of the collection of computer science bibliographies.

Principal Curves Page
Introduction to principal curves, with summary of and links to publications, demo, and software.

Neural Network Resources
Extensive collection of Neural Network resources.

Sumeet's neural networks listing
Includes related fields like genetic algorithms, fuzzy logic, adaptive computing and complex systems and descriptions of each site.

Neural Network FAQ
This FAQ from comp.ai.neural-nets contains the most commonly asked questions about neural networks, including some great introductory material.

Creativity Machine Paradigm
Device for the autonomous generation of useful information. A chaotically perturbed net produces novel concepts derived from its training while a second net isolates any concepts of potential value.

Neural Network Applications
Applications of neural networks for feature selection, dimension reduction and data mining.

Evolutionary Design of Neural Architectures
A repository maintained by the Artificial Intelligence Research Group led by Vasant Honavar in the Department of Computer Science at Iowa State University.

Neuroquant.com
Devoted to the research and development of trading systems for financial markets using artificial neural networks and genetic algorithms.