assBe honest: news that Canonical is shuttering its Ubuntu One cloud storage service came as a shock, right?

Sure, you probably haven’t touched it for a few years, but you assumed others were. I jest.

After 4 years of giving each and every Ubuntu user a couple gigabytes of free space to store their documents, music and (bad drunken) photos, Canonical has decided to shut it down. The service will cease operating as normal from June, and all files will be deleted permanently in July.

Yes: it’s happening.

Reasons for the axe make sense for the company, in lieu of its broader ambitions elsewhere. But there’s no getting away from the fact that if you used it daily, you’re going to be left looking for options.

An army of alternatives can fill the gap Ubuntu One leaves

An army of cloud storage alternatives are available, many able to pick up precisely Ubuntu One has left off. Better yet, most offer more storage space, a wider set of features and have less downtime than Canonical’s aged offering.

It’s due to the intense competition between free cloud file providers – what CEO Jane Silber refers to as the “free storage wars” – that the Ubuntu One offering wasn’t able to find its footing.

Canonical may be exiting the ‘war’, but it seems like everyone and their pet cat is giving away free cloud storage.

But the promise of free space and a GUI for syncing to the desktop doesn’t mean they’re all equal – or worthy of entrusting with your data.

Here’s a recap of what Ubuntu One offered:

  • Storage space: 5 GB (free)
  • Referral scheme: Yes (500 MB per referral)
  • Paid plans: From $2.99/m for 20 GB
  • OS support: Linux, Windows, Mac, iOS, Android
  • Linux support: Official client (Qt)

Which alternatives are worth pursuing? Let’s take a look at our picks.

Dropbox
Dropbox Indicator on Ubuntu – Comes In Handy

Dropbox

Best all rounder

Who hasn’t heard of Dropbox? As the granddaddy of cloud storage, it was the first service to both popularise and implement desktop-to-server syncing in a way that felt productive and not cumbersome.

Its success was buoyed by a generous referral scheme offering you extra space for signing others up, and extensive cross-platform support. Dropbox makes it easy to hop between devices and OSes and retain access to your files.  Other features include public folders that let you share items with other people, regardless of whether they use the service, and near-instantaneous syncing of files as and when they’re changed.

256-bit AES encryption and two-step verification mean your files are pretty safe and secure.

For Ubuntu users Dropbox provides a native application that integrates tightly with the default file manager Nautilus. It offers an indicator applet for monitoring, sharing and managing sync; file and folder emblems; and some handy right-click menu options for quick sharing.

  • Storage space: 2 GB (free)
  • Referral scheme: Yes (500 MB per referral)
  • Paid plans: From $9.99/m for 100 GB
  • OS support: Linux, Windows, Mac OS X, iOS, Android, Blackberry
  • Linux support: Official client (Qt)

Learn More on the Dropbox Website

insync indicator
Insync Integrates Google Drive on Linux

Google Drive

Best for space and features

If you use Gmail or Google Docs then you’ll have, at some point or another, interacted with Google Drive.

The search giant’s cloud service offers 15 GB of free space in which to store your files, folders, photos and the like.

These can be accessed from virtually any device with internet access and a fairly recent web browser or through dedicated mobile and desktop apps.

One of the neat things about Drive is that certain files do not count towards your free space quota; e.g., Google Docs files. Neither do files others have shared with you. Better still, any photos you upload to Google+ that have a resolution less than 2048×2048 are also hosted and synced gratis.

But Drive offers more than just space for your stuff. You also gain tight integration with Google’s own services, like Gmail, Google Docs and Google+.

While it’s not the easiest alternative to use on Ubuntu owing to a lack of official native support, there are a number of third party tools that allow you to sync your files locally and have all changes made uploaded back. The most popular third part app is InSync. It’s not free (costing a one-off fee of $15 for the basic account) but it is by far the best way to use it.

  • Storage space: 15 GB (free)
  • Referral scheme: No
  • Paid plans: From $2.99/m for 100 GB
  • OS support: Windows, Mac, iOS, Android, Chrome OS
  • Linux support: None; unofficial exist e.g., Insync, Grive

Learn More on the Google Drive Website

copy-indicator
Copy running on Ubuntu

Copy

Best for Security Conscious

If popularity was based solely on the number of referral links that are posted in our comments section, then Copy would win the title hands down.

It may be less well known than other entrants on this list, but Copy, which is run by cloud enterprise giant Barracuda Networks, touts its robust security benefits the loudest.

Like Dropbox, Copy uses AES 256-bit encryption on all files but, unlike Dropbox, doesn’t not rely on third-party servers as all files are stored on the company’s own servers.

“With advanced features like secure sharing, source validation, and identity verification, you can breathe easy knowing your content can only be seen by the people you want,” they promise on their website.

Another of its unique advantages is that shared files and folders can be assigned to a single user so that they don’t count against the data storage limit for other users. Or, if preferred, the load can be shared between parties so that, for example, a 10 GB file shared between 4 people would count as 2.5 GB/each, rather than, as on Dropbox, 10 GB each.

Google Drive offers something similar in that only the ‘sharer’ of a file has it count against their storage.

For desktop integration Copy spoil Linux users. The service supports native integration with Nautilus, Thunar and Caja, including sync folders and right-click options. An indicator applet/system tray item provides further control options, including a handy list of recently changed files.

  • Storage space: 15 GB (free)
  • Referral scheme: Yes (5 GB per referral)
  • Paid plans: From $9.99/m for 250GB
  • OS support: Windows, Mac, iOS, Android, Linux
  • Linux support: Official client (Qt)

Learn More on the Copy Website

Manage File Sync Yourself
Manage File Sync Yourself

ownCloud

Best for privacy

If you’d rather not trust your data in other people’s hands but still want the convenience of a “personal cloud”, ownCloud is a free and open source cloud storage platform you can host yourself.

Like with other cloud storage services, ownCloud lets you sync and share your files across Windows, OS X, Linux, Android, and iOS.

It also comes with calendar integration, photo gallery sharing, built-in support for (mounting) additional storage devices/services – e.g., FTP servers, Dropbox and Amazon S3 – and a slew of “apps” that can be added for additional features in the web interface, including a PDF viewer, text editor, and version control.

Packages are available for a number of distributions, including Ubuntu from 12.04 to 13.10.

  • Storage space: Self-hosted
  • Referral scheme: No
  • Paid plans: Free (Community); Enterprise support available
  • OS support: Windows, Mac, iOS, Android, Linux
  • Linux support: Official client (Qt)

Learn More on the ownCloud Website

Got your own favourite already? Don’t take our four picks as the only choices. Other options worth exploring before committing include SpiderOak, Microsoft OneDrive and Box