Streamload Free and unlimited storage for certain files. 30-day trial account available. http://www.streamload.com/

BTInet 50 MB of space. Access through a web browser interface. http://webstorage.btinet.net

BackOnline 10MB of compressed disk space. 56-bit encryption using a user-provided encryption key. http://isavix.net/freeback.jsp

Free Virtual Disk Drives and File Storage Services Capacity, capabilities and restrictions for various free storage services. http://www.freemailguide.com/free_web_services/free_file_storage.html