1. CloudMe：
CloudMe是CloudMe AB提供的文件存储服务。它提供文件同步，云存储和客户端软件。它由Daniel Arthursson于2011年创立。最初它的名称为iCloud，但后来苹果公司获得了该名称。它提供3 GB的免费存储空间。它为高级帐户提供了有限的存储空间。它最大的竞争对手是Dropbox。
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。
CloudMe和Ubuntu One之间的区别：
| CLOUDME | UBUNTU ONE |
|---|---|
| It is owned by CloudMe AB. | It was owned by Canonical Limited. |
| It was launched in 2011. | It was launched in 2009. |
| It offers 3 GB free storage space. | It offered 5 GB free storage space. |
| It was developed by Daniel Arthursson. | It was developed by Canonical Ltd. |
| It has the maximum storage size of 500 GB. | 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 150 MB for free and unlimited for premium accounts. | 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 no traffic or band-width limit. | It has Amazon S3 limits as traffic or band-width limit. |
| It supports Windows, OS X, Linux, iOS and Android. | It supported Windows, OS X, iOS, Ubuntu and Android. |
| It has limited freeware version. | It had freeware version. |
| It provides additional 500 MB free storage space for referral up to 16 GB. | It did not have referral system for gaining free additional storage space. |