1. Zetta :
Zetta is a file synchronization service and cloud based backup storage service which is provided by Zetta Incorporation. It was developed by Jeff Whitehead, Lou Montulli and Jason Harrison. It is majorly used in small and medium sized businesses and enterprises. It does not provide freeware version. It is majorly used for storing professional data and not personal data. It was launched in 2008.
2. Ubuntu One :
Ubuntu One was a file hosting service, file synchronization service and cloud service which was provided by Canonical Limited. It was an OpenID based single sign-on service. It provided services for storing files on cloud and also streaming of music from cloud. It was developed by Canonical Ltd. It was suitable for Windows, OS X, iOS, Ubuntu and Android. It offered 5 GB free storage space. It was launched in 2009.
Difference between Zetta and Ubuntu One :
|It is owned by Zetta Incorporation.||It was owned by Canonical Limited.|
|It was launched in 2008.||It was launched in 2009.|
|It does not offer freeware service.||It offered 5 GB free storage space.|
|It was developed by Jeff Whitehead, Lou Montulli and Jason Harrison.||It was developed by Canonical Ltd.|
|It is still in use.||This service was suspended in 2014.|
|Files stored here are encrypted.||Files stored in Ubuntu One were not encrypted.|
|It is a commercial file synchronization and cloud-based backup service.||It was a commercial file synchronization service.|
|It was supported by Windows, OS X and Linux.||It was supported by Windows, OS X, Android, Ubuntu and iOS.|
|It does not have freeware version.||It had freeware version.|
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