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Fruux logo.png
Developer(s) fruux
Initial release September 2008
Development status Active
Operating system Cross Platform (running CalDAV/CardDAV capable applications)
Available in English
License Proprietary

fruux is a cross-platform synchronization service[1][2] operated by fruux, the company behind the popular open source project SabreDAV. The service enables users to synchronize address book contacts, calendar events, tasks, bookmarks and notes between Apple computers and other devices.[3] The web app also allows to manage contacts, calendars and tasks in the browser.[4][5]

fruux synchronization uses encrypted SSL transfers.[6][7] fruux supports conflict resolution that helps users when data was changed on more than one computer to choose the correct dataset.[8] fruux runs entirely on Amazon Web Services infrastructure.[9] The company uses Amazon Elastic Load Balancing, Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Elastic Block Store (Amazon EBS) to run its nginx Web servers. Amazon Simple Storage Service (Amazon S3) is fruux’s choice for versioned application code and backup storage. In addition, fruux uses Amazon Relational Database Service (Amazon RDS) to manage its central databases and Amazon Simple Email Service (SES) as a highly scalable bulk and transactional email-sending service.

The service is similar to services such as iCloud or Plaxo. fruux supports synchronization of mainly contacts, calendar events and to do items between a wide array of devices and services. The company recently announced the launch of calendar syncing with iOS and other CalDAV capable devices[10][11] and is also offering contact synchronization with both iOS and other CardDAV capable devices.[12][13][14]

The company released a device management layer in May 2012 and is working on a special offering for Teams as another distinguishing feature.[15] The recently released calendar sharing feature allows users to invite other people into their calendars with the possibility to set individual permissions and gives a first glimpse at the future team offering.[16][17]

fruux secured a six-figure seed round in March 2012, led by High-Tech Gründerfonds.[18][19]


  1. ^ Alan Henry. "fruux Synchronizes Your Contacts, Calendars, and To-Dos Across Systems, OSes, and Devices for Free". lifehacker. Retrieved 2012-04-23. 
  2. ^ James Cull. "fruux: iCloud for Everyone". AppStorm. Retrieved 2012-05-31. 
  3. ^ Adam Pash. "Fruux Syncs Contacts and Calendars Across Macs". lifehacker. Retrieved 2011-01-09. 
  4. ^ Alan Henry. "Fruux Syncs Contacts Across Devices, Gives You One Tool to Manage Them". lifehacker. Retrieved 2013-08-31. 
  5. ^ David Meyer. "Not content with back-end sync, fruux releases web app to manage your contacts". gigaom. Retrieved 2013-08-31. 
  6. ^ fruux. "feature tour". fruux. Retrieved 2011-10-28. 
  7. ^ Rhiannon Floyd. "Syncing Made Easy with fruux". Tech Wired Australia. Retrieved 2011-01-09. 
  8. ^ Boris Veldhuijzen van Zanten. "fruux - MobileMe sync without MobileMe". TheNextWeb. Retrieved 2011-01-09. 
  9. ^ Amazon. "fruux Case Study: Amazon Web Services". Amazon. Retrieved 2011-01-09. 
  10. ^ The Calendaring and Scheduling Consortium. "CalDAV Service Providers". The Calendaring and Scheduling Consortium. Retrieved 2011-12-26. 
  11. ^ fruux. "launched iOS calendar syncing and relaunched". fruux. Retrieved 2011-10-24. 
  12. ^ The Calendaring and Scheduling Consortium. "CardDAV Service Providers". The Calendaring and Scheduling Consortium. Retrieved 2011-12-26. 
  13. ^ Michael Rose. "Beta Beat: fruux keeps you in sync". TUAW. Retrieved 2011-10-24. 
  14. ^ fruux. "what happened so far and our goals for 2011". fruux. Retrieved 2011-01-09. 
  15. ^ Darrell Etherington. "fruux Adds Device Management, Prepares Its iCloud for Teams". BetaKit. Retrieved 2012-05-08. 
  16. ^ Paul Sawers. "fruux, the iCloud for everyone, rolls out new calendar-sharing feature and Pro accounts". TheNextWeb. Retrieved 2012-08-03. 
  17. ^ Darrell Etherington. "fruux Adds Shared Calendars, Wants to Be Dropbox of Cloud Service Syncing". BetaKit. Retrieved 2012-08-03. 
  18. ^ David Meyer. "Cross-platform iCloud rival fruux plans to keep teams in sync". gigaom. Retrieved 2012-03-21. 
  19. ^ Frederic Lardinois. "fruux Keeps Your Calendars and Contacts In Sync Between All Of Your Devices". TechCrunch. Retrieved 2012-04-19. 

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