1. 超级：
Mega 是由 Mega Limited 提供的文件托管服务和云存储。它基本上是为基于 Web 的应用程序设计的，但它也为 Android、Windows Phone 和 iPhone 提供移动应用程序。它由Kim Dotcom于 2013 年推出。它使用 C++、JavaScript、 Java和 Objective-C 开发。它提供 15 GB 的免费存储空间，另外还有 35 GB 的免费试用空间。
2. 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。
Mega 和 Tresorit 的区别：
| MEGA | TRESORIT |
|---|---|
| It is owned by Mega Limited. | It is owned by Tresorit. |
| It was launched in 2013. | It was launched in 2014. |
| It was developed by Kim Dotcom. | It was developed by Tresorit. |
| It offers 15 GB free storage space with additional 35 GB for free trial. | It offers 3 GB free storage space. |
| Maximum storage size is 16 TB here. | Maximum storage size is 1000 GB here. |
| It supports developer API. | It does not support developer API. |
| It is supported by Windows, macOS, Linux, iOS, Android, Windows Phone and Blackberry operating sytems. | It is supported by Windows, macOS, iOS, Android, Windows Phone and Linux. |
| Maximum file size is equal to available cloud drive space. | Here maximum file size is 500 MB for free, 5 GB for premium and 10 GB for rest of paid plans. |
| It has traffic or band-width limit of 10 GB free and up to 96 TB per month for paid. | It has no traffic or band-width limit. |
| It supports file versioning. | It supports file versioning for paid plans only. |