iScreensaver Designer is a cross-platform screensaver editing toolkit that builds screensavers for both Mac OS X and Windows XP thru 7, using Images, QuickTime files, MPEG and H.264 Movies, as well as Adobe Flash (SWF) files. It includes a powerful OpenGL animation engine, and a built-in single-file installer. A free trial version with no time limit is available for download.
What is new in this release:
iScreensaver Designer 4.5 is a bug-fixing update. Upgrades are free for customers with a valid version 4 license. Version 4.5 includes important bug-fixes for both Mac OS X and Windows screensavers. Screensaver and Wallpaper installers are more reliable. Missing plugins are handled more elegantly. Playback is smoother with reduced flashing between items. OpenGL support improved on Windows PCs. Interactive Flash content support improved. And more...see the release notes for details. All authors are encouraged to upgrade, re-build, and release updates to their screen savers. Details: http://iscreensaver.com/releaseNotes
Fully functional. Tasteful watermarking of text and images. Installers expire after 14 days.