oonumerics.org

It provide information about different package in the following catogories

• Linear Algebra
• Arrays and Images
• Neural Networks, genetic algorithms, machine learning, data mining
• High-Energy Physics and Quantum Chemistry
• Multiprecision, arbitrary precision data types
• Differential Equations
• Automatic differentiation and interval arithmetic
• Visualization
• Graph Theory/Combinatorics
• Language interoperability/scripting
• Transforms
• Optimization
• Miscellaneous
• Tools

But there are several packages in each catogory. If there is someone providing comparison, it will be great.