1.腾讯微云：
腾讯微云是由腾讯控股有限公司提供的文件托管服务和云存储。它提供两种语言的英语和中文。它主要用于像中国这样的国家。它由腾讯控股有限公司于2012年推出。它提供10 GB的免费存储空间。它提供有限的付费存储空间。此处的最大存储大小为2 TB。
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。
腾讯微云和Ubuntu One之间的区别：
| TENCENT WEIYUN | UBUNTU ONE |
|---|---|
| It is owned by Tencent Holdings Limited. | It was owned by Canonical Limited. |
| It was launched in 2012. | It was launched in 2009. |
| It offers 10 GB free storage space. | It offered 5 GB free storage space. |
| It was developed by Tencent. | It was developed by Canonical Ltd. |
| Maximum storage size is 2 TB here. | 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 1 GB for regular upload and 32 GB for power upload. | 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 is used in China only. | While it was used world wide. |
| It has no traffic or band-width limit. | It has Amazon S3 limits as traffic or band-width limit. |