Social Source Commons

Amazon Simple Storage Service: a web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web.

Bonkey is a simple to use backup system. It can backup to most storage devices, but it is specifically designed to be used with cloud storage solutions like Amazon S3 and Rackspace CloudFiles, which provides cheap online storage.

DVD burning software for Mac OS X.

Cloudfogger encrypts your data on the local device before it gets uploaded to the cloud. Dropbox and other services never get access to the content of your files.

Email, online storage and communication software with a strong emphasis on security and encryption.

These platforms enable organizations to store and track large numbers of electronic documents, including images, videos, office documents and other digital assets. This toolbox inspired by an NTEN Discussion.

Document management and electronic filing system.

Egnyte Cloud File Server provides businesses with Online Storage, FTP Site, FTP Server, File Sharing, Cloud Storage.

FreeNAS is a free NAS (Network-Attached Storage) server, supporting: CIFS (samba), FTP, NFS, RSYNC protocols, local user authentication, Software RAID (0,1,5) with a Full WEB configuration interface.

GlusterFS is a cluster file-system capable of scaling to several peta-bytes. Ideal for replicating storage including across geographically disperse storage nets.

Automates the process of batch uploading, keyword tagging, categorizing, sharing, locating, finding, searching, viewing, publishing, collecting, versioning, approving, grouping, batch downloading, maintaining, securing, marketing, and optionally licensing or selling digital assets.

Jungle Disk is an application that lets you store files and backup data securely to Amazon.com's S3 ™ Storage Service.

Configurable, flexible and extensible digital asset management system, handles both print and multimedia file formats.

Omnidrive allows users and developers to easily access and share content and files on the web.

Personalized cloud service providing greater control of data.

Client for Android:
ownCloud is a free software package you can install on a server to manage files, contacts, calendars, music, pictures and much more. This is the official Android app which enables you to view and upload files.

Available for free on F-Droid Market:
https://f-droid.org/repository/browse/?fdid=com.owncloud.android

Store and Share from Sky is a secure, online storage site that allows you to easily store almost any file online. The basic level of 1GB of storage is free. Sharing through Store and Share is also an option allowing you even to upload contacts from Outlook.

Secure site to gather, store, back-up and share any type of file. Upload, download and manage files over SFTP (Secure FTP) or with any web browser.

Social networking site for video, photos, and audio.

Wuala is a hosted storage site that allows you to store and back up files online, being able to access them anywhere. The site also incorporates a share feature allowing you to easily share files with your contacts.

Online file storage service.