1.盒子：
Box是Box Incorporation提供的云存储和文件托管服务。它是由Aaron Levie和Dylan Smith开发的。它基本上是一种用于企业的云内容管理和文件共享服务。它提供10 GB的存储空间。它由Box Incorporation在2005年推出。可用于Windows，macOS和其他平台。
2. Ubuntu One：
Ubuntu One是由Canonical Limited提供的文件托管服务，文件同步服务和云服务。这是一个基于OpenID的单点登录服务。它提供了用于在云上存储文件以及从云流式传输音乐的服务。它由Canonical Ltd.开发。适用于Windows，OS X，iOS，Ubuntu和Android。它提供了5 GB的可用存储空间。它于2009年推出。
Box和Ubuntu One之间的区别：
| BOX | UBUNTU ONE |
|---|---|
| It is owned by Box Incorporation. | It was owned by Canonical Limited. |
| It was launched in 2005. | It was launched in 2009. |
| It offers 10 GB free storage space. | It offered 5 GB free storage space. |
| It was developed by Aaron Levie and Dylan Smith. | It was developed by Canonical Ltd. |
| It has the maximum storage size of 100 GB for personal accounts and unlimited for business accounts. | 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 250 MB for free and 5 GB for paid. | 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 month for free and 2 TB per month for paid. | It has Amazon S3 limits as traffic or band-width limit. |
| It supports Windows, OS X, Android, BlackBerry and iOS. | It supported Windows, OS X, iOS, Ubuntu and Android. |
| It has limited freeware version. | It had freeware version. |