Weblooker monitors serveral services on multiple systems for their status, up- and downtimes. A webgui and Android client to view the current status and logged downtimes is available as separately package.
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.