Community Z Tools Project (CZT):
Tools for editing, typechecking and animating Z
specifications and related notations.
Includes a Java framework for building formal methods tools.
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.