The Geometry project contains a DTO class for representing a geometry and services for manipulating these geometries. These objects can be used in various environments, including GWT. They can also easily be serialized to and from JSON.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
