Before using or developing GeoTools you should download the software listed here. You can start
downloading now before proceeding on to the step by step install instructions.
The following tools are required to build GeoTools:
The following optional downloads provide increased functionality or performance:
Java Advanced Imaging (Optional)
Java Advanced Imaging API 1.1.3 is a Java extension for image processing.
Java ImageIO (Optional)
Java Image I/O Tools 1.1 is a Java extension providing drivers for reading and writing
Java ImageIO-Ext (Optional)
Allows the JAI subsystem to read geospatial raster files such as GeoTiff.
DB2 Jdbc Driver
DB2 Express-C and Spatial Extender