GetSmart is a download manager that supports Multi-Connection downloads. With Multi-Mirror search it can download different parts from these mirror servers simultaneously. It can 'act as proxy' to serve multiple clients. It can also works as a Daemon.
desktop-data-manager includes a clipboard history for many different types of content (text, images, ...), an application to take screenshots from a single window/subwindow, rectangle of the screen or the whole desktop and a download manager.