Linux-friendly cloud hosting (with synchronization)

UPDATE: Trying InSync, to start.

• Copy
• "you have to manually create symlinks in order to get files synchronized directly in your own file system."
• "referral Link you will straight away get 20GB instead of regular 15GB"
• SpiderOak
• one of the first to support Linux 
• InSync
• Dropbox
• Cloudways
• They install and manage OwnCloud for you.
• 
  
• ownCloud.org
• Lists free providers (?)
• https://owndrive.com/
• Bitcasa
• Seafile
• The server is licensed under the Apache 2.0 license and clients are licensed GNU GPL version 3 (only)
• Wuala
• Box
• The java applet works on Linux, but it has limited functionality.
• RackSpace
• you can mount the storage in Linux using CloudFuse
• Crashplan
• Amazon S3 with Duplicity
• Other
• rSyncIT FTP Backup Solution
• Tarsnap
• git-annex 

REFERENCES

https://www.linux.com/learn/tutorials/769023-three-alternatives-to-ubuntu-one-cloud-service

https://www.reddit.com/r/linux/comments/1fzod1/linux_compatiable_cloud_storage_vendors_lets/ (2013)

https://www.reddit.com/r/linux/comments/1wu3wr/need_clientside_encrypted_cloud_storage_backup/ (2014)

https://www.reddit.com/r/linux/comments/3fe4pt/cloud_storage_providers_with_proper_linux_support/ (2015)