Software Updates Applet for MATE Desktop checks for updates and displays notifications. It supports YUM (via yum-updatesd or yum) and APT (via updates-notifier).
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.