1. 特雷索里特：
Tresorit 是 Tresorit 提供的云存储、文件同步和文件共享服务。它是最安全的云计算服务之一。它提供端到端的加密文件同步和文件共享服务。它由 Tresorit 于 2014 年推出。它提供 3 GB 的免费存储空间。它支持 Windows、macOS、iOS、Android、Windows Phone 和 Linux。
2.泽塔：
Zetta 是由 Zetta Incorporation 提供的文件同步服务和基于云的备份存储服务。它由Jeff Whitehead 、 Lou Montulli和Jason Harrison 开发。它主要用于中小型企业和企业。它不提供免费软件版本。它主要用于存储专业数据而不是个人数据。它于2008年推出。
Tresorit 和 Zetta 的区别：
| TRESORIT | ZETTA |
|---|---|
| It is owned by Tresorit. | It is owned by Zetta Incorporation. |
| It was launched in 2014. | It was launched in 2008. |
| It offers 3 GB free storage space. | It does not offer freeware service. |
| It was developed by Tresorit. | It was developed by Jeff Whitehead, Lou Montulli and Jason Harrison. |
| It is a file hosting, file sharing 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 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 limited freeware version. | It does not have freeware version. |
| It is supported by Windows, OS X, Linux, Android, BlackBerry, iOS and Windows Phone. | It is supported by Windows, OS X and Linux. |
| It does not support Delta copying i.e. block level transfer. | It supports Delta copying. |