1. OneDrive：
OneDrive或Microsoft OneDrive是Microsoft提供的文件托管和同步服务。它为用户提供了存储文件，个人数据和共享文件的便利。它提供5 GB的免费存储空间。它由Microsoft在2007年启动。它主要由专业工作者用来存储与工作相关的数据，而这些数据可能需要更高的安全性。
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。
OneDrive和Ubuntu One之间的区别：
| ONEDRIVE | UBUNTU ONE |
|---|---|
| It is owned by Microsoft Incorporation. | It was owned by Canonical Limited. |
| It was launched in 2007. | It was launched in 2009. |
| It offers 5 GB free storage space. | It also offered 5 GB free storage space. |
| It was developed by Microsoft. | It was developed by Canonical Ltd. |
| It has the maximum storage size of 5 TB. | 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 100 GB here. | Maximum file size was 5 GB per file. |
| It is a file hosting and cloud storage service. | It was a commercial file synchronization service. |
| It has no traffic or band-width limit. | It has Amazon S3 limits as traffic or band-width limit. |