BumpTop is, 3D is a free software desktop as it is in use on the desktop. By using this free software, you can also use more desktop to change the perspective.

BumpTop is a fun, intuitive, 3D desktop that keeps you organized and makes you more productive. It combines the look and feel of a real desk with the power of your PC. You can pile your files, flip through websites and toss your photos up to Twitter or Facebook quickly and easily, right from your desktop. Advanced search and sort capabilities make sure you can find your files when you need them. Personalize your desktop with custom themes, sticky notes and photo slideshows and turn your desktop into a useful, fun space instead of a graveyard of lost or forgotten files. An upgrade to Pro version will add such features as unlimited sticky notes and enhanced productivity and piling features.

Your desktop doesn't have to be a boring graveyard for lost and forgotten files anymore! Transform it with BumpTop. Create the desktop that suits your needs and style.
1. Organize Different
Piles are how we organize on our real desks but computers force us into rigid, hierarchical folders. Piles are lightweight, flexible and its easy to see what's inside. Let order evolve naturally or quickly get a mess organized with a pile, you've got options.
2. Pin Up Reminders
Jot down a Sticky Note or pin up commonly used shortcuts and important documents on your BumpTop walls. Make them real big to remind you to finish that task, without getting in the way of your desktop.
3. Piles are Agile
BumpTop piles work like in the real world. Toss items at a pile to add them or pop them into a grid, flip through them with your scrollwheel or fan out a pile to quickly see what's inside. Converting between folders and piles is seamless too.
4. Get Organized, Instantly
BumpTop is your digital assistant. Slice and dice a big, hairy mess of files into neatly stacked piles with Pile by Type, instantly. Or 'Search as You Type' to filter down what you're looking for then pile by that keyword. If only it were this easy in real life.
5. Toss to Print, Email or USB key
Reduce multiple clicks into a simple toss gesture! Tossing makes interacting efficient and fun. Just toss docs onto the printer to print them, into the recycle bin to delete or onto a pile to add them.
6. Not All Files are Created Equal
Files that you use more often subtly grow bigger and heavier so they are easier to find . Or manually make important stuff bigger, give important docs the weight they deserve.
7. Luscious Thumbnail Previews
See what your docs look like without opening them. Supporting PDFs, Word DOCs, Powerpoints and a slew of others. BumpTop Pro includes Webpage and Photoshop/PNG previews with transparency . Designers, meet your new best friend.

The license of this software is Free Trial Software, the price is $29.00, you can free download and get a free trial.