Screensaver Factory - Screensaver Factory is a major screensaver solution that enables everyone to create realistic screensavers in no time at all.
Web-Page-Screensaver - Web-Page-Screensaver is an open-source tool that is designed to display a web page as your screensaver.
Save Hollywood - Play movies as your screen saver
Before Dawn - Before Dawn is an open-source and robust screensaver application that uses web technologies to perform its functionalities.
Padbury Clock Screensaver - Minimal screensaver for Mac
XED Flash Screensaver Creator - XED Flash Screensaver Creator is capable of converting any SWF file into a screensaver file.