The hgsftp module is an extension for the Mercurial DVCS which allows it to access repositories through SFTP. To accomplish this, it uses the FUSE/SSHFS filesystem to mount the repository during actions which require remote access.
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.