Alternatives to lo-rain

Screen saver based on animations presented during Apple Special Event Brooklyn

Smooths scrolling and set mouse scroll directions independently

Apple TV Aerial screensaver

Screen savers

Window peeking utility app

Screen saver that displays web pages

Flip clock screensaver

Changes your desktop wallpaper to the satellite view of where you are

Live wallpaper app

Command-line tool to set the desktop picture

Visual application launcher

Utility to dim background/inactive content in the screen