Difference between SugarSync and Ubuntu One

1. SugarSync :
SugarSync is a cloud service and file synchronization service which is provided by J2 Global. It enables active synchronization of files in computer systems and other devices for backup, access and sharing. It is supported by Windows, macOS, iOS and Android operating systems. It was launched by J2 Global in 2009. It does not offer free storage space. It offers limited as well as unlimited storage space for paid. 

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 SugarSync and Ubuntu One :

SUGARSYNC	UBUNTU ONE
It is owned by J2 Global.	It was owned by Canonical Limited.
It was launched in 2009.	It was also launched in 2009.
It does not offer free storage space.	It offered 5 GB free storage space.
It was developed by J2 Global.	It was developed by Canonical Ltd.
Maximum storage size is 500 GB for personal paid and 1000 GB for business paid.	Maximum storage size was unlimited here.
It is still in use.	This service was suspended in 2014.
Files stored here are encrypted.	Files stored in Ubuntu One were not encrypted.
Maximum file size is 300 MB here.	Maximum file size was 5 GB per file.
It is a file hosting, file synchronization and cloud storage service.	It was a commercial file synchronization service.
It has traffic or band-width limit of 10 GB per day for free and 250 Gb per day for paid.	It has Amazon S3 limits as traffic or band-width limit.
It supports Windows, OS X, Android, OS, Blackberry and Windows Phone.	It supported Windows, OS X, Android, Ubuntu and iOS.
It does not have freeware version.	It had freeware version.