hypersrc is a GTK+/GNOME program for browsing source code. It displays a list of tags, and a tree view of functions and their relationships, in your source code. You can click on any tag to be shown the tagged line of source code.
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.