Machine Learning Repositories

UC Irvine Machine Learning Repository
UCI KDD Archive
KDnuggets - Data Mining Community's Top Resource
Machine Learning Datasets Repository
CMU Artificial Intelligence Repository
Kavin Chai's Homepage
Gene Expression Machine Learning Repository (GEMLeR)
National Center for Biotechnology Information (NCBI)
Gene Expression Model Selector (GEMS)

Machine Learning Tools

Weka: Data Mining Software in Java
Matlab MLTOOLS Toolbox: The University of Sheffield
Stanford Classifier
Software for machine learning
KEEL Software Tools
KDnuggests - ML Software Suites
Rapid Miner
DTREG - Software For Predictive Modeling and Forecasting
NeuroSolutions - The Premier Neural Network Development Environment