1. Yandex磁盘：
Yandex Disk是Yandex提供的一种云存储，文件同步和文件共享服务。它允许用户将文件存储在云中，并可以与其他人在线共享文件。它由Yandex在2012年推出。它提供10 GB的免费存储空间。它提供了有限的最大存储空间。 Yandex磁盘提供的最大存储空间为1024 GB。
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。
Yandex Disk和Ubuntu One之间的区别：
| YANDEX DISK | UBUNTU ONE |
|---|---|
| It is owned by Yandex. | 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 Yandex. | It was developed by Canonical Ltd. |
| Maximum storage size is 1024 GB 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 2 GB upload via Web and 50 GB upload via application. | 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 traffic or band-width limit of 200% of storage size per day. | It has Amazon S3 limits as traffic or band-width limit. |