Seahorse is a Gnome front end for GnuPG. It is a tool for secure communications and data storage. Data encryption and digital signature creation can easily be performed through a GUI, and Key Management operations also can be performed.
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.
