Box.Net: Free Online File Storage and Collaboration
Box.Net provides nice collaboration features, and up to 1GB of free online storage.
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DropBox: Sync Your Files Across Computers and Backup Online
DropBox is a free software to keep your files sync across multiple computers, and keep a backup copy of them on web.
→SpiderOak: Free and Secure Online Storage, Sharing, and Syncing
SpiderOak is an amazing Online Storage, sharing and syncing software. It is totally free for upto 2GB of online storage.
→SkyDrive: Free 25GB Online Storage
Windows Live SkyDrive is a free online file storage system. You get 25GB of FREE online storage, completely free.
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