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Spideroak screenshot.png
SpiderOak 3.5 under Mac OS X
Developer(s) SpiderOak
Initial release December 2007
Stable release 5.1.6 / July 9, 2014; 43 days ago (2014-07-09)[1]
Development status Active
Written in Python/Qt
Operating system Windows, Linux, Android, Mac OS X, iOS
Available in English
Type Online backup service
License Proprietary and GPLv3 (for some tools)
Website https://spideroak.com/

SpiderOak is a US-based[2] online backup tool to back up, share, sync, access and store[3] data using an off-site server. SpiderOak is accessible through an app for Windows, Mac and Linux computer platforms, and Android, N900 Maemo and iOS mobile platforms.[4] SpiderOak allows the user to back up any given folder of his/her computer. SpiderOak uses encrypted cloud storage and client-side encryption key creation, so even employees of SpiderOak cannot access users' information. However, these claims cannot be independently verified since the client's source is not available.[5] Some components of SpiderOak are open source, and the company has announced their intent for the client to be fully open source in the future.[6]

SpiderOak distinguishes itself from competition in provision of encryption,[7] in provision for syncing files and folders across multiple devices, and in automatic de-duplication of data.[8]

SpiderOak offers free-of-charge services for accounts that do not exceed a maximum size, premium services at a monthly fee, and referral discounts.[9][10]

SpiderOak was rated "Awesome" by MacLife magazine in 2009[11] and also was made an Editor's Choice by Computer Shopper magazine in May 2009.[12]

Main features[edit]

  • All data accessible in one de-duplicated location
  • Configurable multi-platform synchronization
  • Preserve all historical versions and deleted files
  • Share folders in web ShareRooms with RSS notifications[4]
  • Retrieve files from any internet-connected device
  • Claimed "zero-knowledge" data encryption if you *only* use the desktop client, that is, no sharing, web-access, or mobile access.[13] This claim, however, cannot be confirmed due to the client being closed source.[14]
  • Unlimited devices[15]
  • A layered approach to encryption, using a combination of 2048-bit RSA and 256-bit AES.[6]

See also[edit]


  1. ^ "SpiderOak Orange 5.1.6 bugfix release for Mac OSX <= Lion Problem". SpiderOak. Retrieved 2014-07-09. 
  2. ^ "SpiderOak Service Agreement". SpiderOak. Retrieved 2013-06-09. 
  3. ^ SpiderOak. "Spideroak Service Description". SpiderOak. Retrieved 2009-06-19. 
  4. ^ a b "SpiderOak Review: Cloud Storage reviews at". Nextadvisor.com. Retrieved 2013-08-10. 
  5. ^ "Why isn't SpiderOak open source yet? When will it be?". 
  6. ^ a b "Spideroak: Engineering Matters". SpiderOak. Retrieved 2009-11-04. 
  7. ^ "SpiderOak: Dropbox for the security obsessive". "The chief difference between SpiderOak and its competitors for the security and privacy-conscious is in how the services treat user data." 
  8. ^ Carla Schroder (2009-01-22). "Spideroak: Secure Offsite Backups for Linux". LinuxPlanet. Retrieved 2009-02-26. 
  9. ^ "Pricing". SpiderOak. 
  10. ^ "Refer-a-Friend". SpiderOak. 
  11. ^ Susie Ochs (2009-06-11). "Online Storage Battle: Which Cloud Back-Up Service Reigns Supreme?". MacLife. Retrieved 2009-11-04. 
  12. ^ Haley, Fiona (2009-05-05). "SpiderOak 3.0 Review". Computer Shopper. 
  13. ^ "How do I use the SpiderOak Web API?". SpiderOak FAQs. Retrieved 21 August 2014. 
  14. ^ "SpiderOak to Become OSS & More: What to Expect From Us in 2014 (PART I)". The Spideroak Blog. Retrieved 21 August 2014. 
  15. ^ "Spideroak: Free Online Backup, File and Folder Sync, Share & Storage for Windows, Mac, and Linux - SpiderOak.com". SpiderOak. Retrieved 2009-11-04. 

External links[edit]