Today screensaver is used to liven up the computer with displaying a funny image or animation or useful information instead of preventing screen burn. It is also an outlet for the work of creative computer users and used for entertainment or security with customized configuration when the computer is idle.

Speaking from programmer and blogger standpoint, screensaver is used as an adornment with informative or eye-catchy animation during periods of user inactivity. A pure black screensaver turns your monitor into a lower power mode but don’t you think this is a bit boring?

Here’s 25 coolest screensavers we’ve collected from Internet for you to decorate your computer with little fun. Full list after jump.

1. The One Ring

   This freeware screensaver has been specially created for all the fans of The Lord of the Rings and J.R.R. Tolkien. If you liked the book or the movie, this screensaver will make a great addition to your collection.

   

2. Cities of Earth

   Cities of Earth is a free 3D screensaver which shows biggest cities of our planet. Many of cities with information about its population and country names. So it’s a good educational content. The positions of all cities corresponds to its real world coordinates.

   

3. Time Machine (Mac Only)

   Hongkiat insisted I include this. Time Machine screensaver comes perfect with your Time Machine wallpaper. When your Mac goes idle, the screensaver activates as though it’s coming from the wallpaper. It’s a perfect match.

   

4. System 47 Star Trek LCARS Screensaver

   System 47 is a nice screensaver that will display Star Trek LCARS interface on your screen with various interesting animations. System47 was just a generic name made up for an arbitrary planetary system. Though the program has started and will continue to include more non-planetary displays in the future.

   

5. Beijing 2008 Olympics Screensaver

   If you’re still in Beijing 2008 Olympics fever, here’s the collection of Beijing 2008 Olympics screensavers. There’s total up to 7 different types of Beijing 2008 Olympics screensavers.

   

6. The Matrix Revolutions 3D Screensaver

   Float through Matrix code as it forms images from the trilogy. It works fine with multi-monitors.

   

7. Live 3D Earth

   Live 3D earth is a realistic 3D earth model which will rotate on your desktop with photo-realistic colourful graphics and music.

   

8. Loppy

   Loopy is the desktop screensaver application that is looping and showing the pictures at random for good. The most imperactive key ingredient of this application is the integration between the flash technology and RSS, that is provided by Flickr.

   

9. Twingly

   If you want to experience the true blogosphere, download the twingly screensaver, a very cool desktop screensaver that lets you visualize global blog activity in real time.

   

10. Twittearth

    Twittearth is eye-candy at its finest – a mesmerizing and mostly useless diversion that sticks you in space and whips you around the globe to see a new geo-located tweet every ten seconds.

    

11. RSSMore

    RSSMore is a free rss screensaver that lets you subscribe to any number of RSS/XML feeds and view them in your rss screensaver. The RSSMore RSS reader screensaver loops through the list of feeds and shows the items and their contents in transparent text boxes over your background images.

    

12. Digg Screensavers

    You can now pimp out your desktop and catch more of the good stuff submitted to Digg every day with Digg screensavers. The screensavers are available for Mac and Windows users and include Adobe Flash 9 if you don’t have it installed. On the Mac you’ll need at least OSX 10.4 and on Windows you need either Windows XP or Vista.

    

13. MappedUp

    MappedUp is an application that tracks a large number of RSS news sources and displays their latest items on a world map. By rolling your mouse over the dots, you can read the titles of all new articles. By clicking a title, you jump to the author’s website to read the entire article.

    

14. RSSSaver

    RSSsaver will preview RSS feeds from the net and visualize them during your computer’s "inactive" time.

    

15. AJ Screensaver

    AJ Screensaver is a freeware clock screensaver. This screensaver is based on work of others.
    Several very interesting clock Macromedia shockwave flash files are packed in this screensaver. AJ Screensaver lets you select 14 ways to display the actual time.

    

16. Polar Clock v3

    Polar Clock is a simple clock design screensaver application based on depicting the length of circle arcs. It displays your date and time based on polar coordinates.

    

17. Star Alliance Screensaver

    The Star Alliance Screensaver has many features which can be accessed through the StarSaver Options dialogue box. In all modes, the Star Alliance Screensaver displays your computer time and the number of Star Alliance member airline scheduled flights in the air.

    

18. Emerald Clock Screensaver

    The Emerald Clock’s face is weaving from delicate emerald guiding threads, each symbolizing our connection to other people. The Emerald Clock will help us to keep visible and invisible contacts with all our friends.

    

19. Dropclock

    Dropclock is an aesthetically intriguing motion clock screensaver. Every minute of real time is numerically expressed with heavy helvetica dropping into water in super slow-motion.

    

20. Crazyscreen Screensaver

    A round clock screensaver which you will see the seconds, minutes and hours will rotate gradually as the time is passing.

    

21. Uniqlock

    The screensaver alternates between a minimalist display of the current time and five second videos of four young Asian women in polo shirts and jeans performing synchronized dance moves.

    

22. Fliqlo

    Spruce up the functionality and aesthetics of your screeensaver with Fliqlo. Fliqlo mimics an old school clock with flipping digits. The time can be customized to display in 12-hour or 24-hour formats. Fliqlo is a free screensaver that has been around for ages.

    

23. Aquarium Clock screensaver

    Aquarium fishes want to know the current time. They need special clock with flexible hands crawling around the clock face second after the second to amuse the small fishes and cheer your moods.

    

24. Word Clock

    Word Clock is a typographic screensaver for Mac OS X and Windows. It displays a fixed list of all numbers and words sufficient to express any possible date and time as a sentence. Word Clock displays time by highlighting appropriate words as each second passes.

    

25. World Clock Screensaver

    World Clock ScreenSaver is a Flash based free screensaver created with Flash ScreenSaver Builder that shows your local and five major time zones.

    

More :Read more from Tools Category.