Dynamic wallpaper is based on weather-wallpaper and generates svg wallpaper based on current weather, season, time of day and others. It supports themes. The intended use is for GNOME desktop and will probably work on KDE.
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.