check_pycurl is a Nagios/Icinga/Shinken plugin to check HTTP requests. It can test for success based on an HTTP code or by applying a regex to the output.
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.