InstantStorm - InstantStorm is a high-quality Flash screensaver creator that can quickly convert your Adobe Flash Files (SWF) into a full-fledged screensaver.
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.
XED Flash Screensaver Creator - XED Flash Screensaver Creator is capable of converting any SWF file into a screensaver file.
PhotoJoy - PhotoJoy is a Microsoft Windows application that allows you to create beautiful screensavers and wallpapers with your photos.