If you are tired of the default screensavers brought to you by your OS you might start searching for the fresh ones in the Web. And you’ll quickly find out: the choice is enormous; freeware is usually supplied with adware, and there are literally thousands of commercial solutions.

Twingly
Twingly screensaver is visualizing the global blog activity in real time. Forget RSS readers where you see only what you’re interested in. With Twingly screensaver you get a 24/7 stream of all (viewer discretion advised) blog activity, straight to your screen. Windows. Unfortunately testing didn’t work properly.

Worldclock
World Clock Screen Saver shows your local time on its big central clock and adds five major time zones (Los Angeles, New York, London, Dubai and Tokyo) on smaller clocks placed around it.

Seti@Home
Yes, the project still exists. SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a screensaver that downloads and analyzes radio telescope data. SETI@Home is currently the largest distributed computing effort with over 3 million users.

System 47
A Star Trek LCARS Screen Saver. Windows/Mac. LCARS is an acronym for “Library Computer Access and Retrieval System”, which is the primary computer system in the universe of Star Trek’s Starfleet and Federation. The Saver runs on Dual-Systems with a different view on each monitor. And there is also Sound.

Fenêtre volantes
Fenêtre volantes puts your windows in flight. After some idle time the windows take off the screen and flutter in the void. On a mouse move, the windows immediately come back and stuck to their original position. Freeware, for Mac OS X only.

Holding Pattern Coach Class
Looking out from a window on the plane. There is also a first class saver with 57 aerial views, but you have to pay $17.50 for your luxury viewing experience. Windows and Mac.

More screensavers from the interesting post @ Smashing magazine >>>