- Amazon Cloud Drive (ACD):
- Google Drive:
Features: 5 GB of free space with easy installer to map your google drive to your local folder in Windows and Mac system. Available on Mobiles/Computers/Browsers. Presently, available for Android only, but soon to be available for iPAD. Integration with Google Documents, you can create documents, spreadsheet, and presentations instantly. Provides collaboration so your can share and edit the files together from any device. Apart from common features. Saves files revision history of past thirty days. So you can revert back to any moment. Limitation: iPhone/iPad version presently worked upon.
Features: One of the most popular product, comes with 2 GB of free space. Available on Mobiles/Computers/Browsers. Apart from common features, Dropbox keeps a one-month history of your work. Any changes can be undone, and files can be undeleted. Secure Sockets Layer (SSL) and AES-256 bit encryption. Limitation: Does not sync files, which are opened or locked by other applications. For web interface max allowed file size is 300 MB.
- SpiderOak.com (SO):
Features: Offers 5 GB of free space. It is best if you are using multiple devices for your use, it keeps sync with multiple devices, you can select any folder to be in synced. upload/sync via email. Available for all mobile platforms. Limitation: Linux support is not available. SugarSync does not support scheduled back
Features: Offers 25 GB of free space. Hotmail and MS Office App integration. You can upload/create/edit/share ms-office documents directly from web browser. Entire directory can be downloaded as a zip file. Good for storing images and documents. Limitation: Max allowed file size is 100 MB.
Finding one out of these is very difficult. Though, One can opt among these based on their needs and likes.
Please do share your views on above mentioned products or also let me know other products which I have not explored and worth mentioning here.