Free software

The following are useful free or open source tools for analyzing ecological data and building ecological models.

• The R statistical system and the spatial package in the VR library.
• The dynamic scripting/programming language Python and numeric extensions for performing matrix calculations.

Commercial Software

• Mathematica (student version)
• Matlab (student version)
• RAMAS RiskCalc

Not recommended for complicated risk analysis

• Excel Spreadsheets but Resolver looks very promising