Our rating: License: Free
Geo Tools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data, for example to implement Geographic Information Systems (GIS). The Geo Tools library implements Open Geospatial Consortium (OGC) specifications as they are developed, in close collaboration with the GeoAPI project. The capabilities of Geotools are presented in the feature list.
Geo tools is used by a number of projects including Web Feature Servers, Web Map Servers, and desktop applications, as is described on this page. Some screenshots of Geotools in action are also available.