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. Zetta：
Zetta是Zetta Incorporation提供的文件同步服务和基于云的备份存储服务。它是由Jeff Whitehead ， Lou Montulli和Jason Harrison开发的。它主要用于中小型企业和企业。它不提供免费版本。它主要用于存储专业数据而不是个人数据。它于2008年推出。
CloudMe和Zetta之间的区别：
| CLOUDME | ZETTA |
|---|---|
| It is owned by CloudME AB. | It is owned by Zetta Incorporation. |
| It was launched in 2011. | It was launched in 2008. |
| It offers 3 GB free storage space. | It does not offer freeware service. |
| It was developed by Daniel Arthursson. | It was developed by Jeff Whitehead, Lou Montulli and Jason Harrison. |
| It is a file hosting and file synchronization service. | It is a file synchronization service. |
| It provides cloud storage service. | It provides cloud based backup service. |
| It is used by individuals, small and larger enterprises. | It is used by small and medium sized enterprises. |
| It does not provide LAN synchronization. | It provides LAN synchronization. |
| It provides storage service for personal data. | It does not provide service for personal data and is used for professional work only. |
| It supports file versioning. | It does not support file versioning. |
| It has freeware version. | It does not have freeware version. |
| It is supported by Windows, OS X, Linux, iOS and Android. | It is supported by Windows, OS X and Linux. |
| It does not have revision control. | It has revision control. |
| It does not have detect move. | It has detect move. |