1.兆丰：
Mega是Mega Limited提供的文件托管服务和云存储。它基本上是为基于Web的应用程序而设计的，但它也为Android，Windows Phone和iPhone提供了移动应用程序。它由Kim Dotcom于2013年推出。它是使用C++，JavaScript， Java和Objective-C开发的。它提供15 GB的免费存储空间，另外还有35 GB的免费试用版。
2.共享文件：
ShareFile是Citrix Systems提供的文件同步服务，文件共享服务和基于云的文件存储服务。这是一种安全的内容协作，支持以文档为中心的任务。它提供基于云的存储，虚拟数据室和客户端门户。它由Jesse Lipson开发。它适用于Windows，macOS，iOS和Android。它不提供免费的存储空间。它于2005年推出。
Mega和ShareFile之间的区别：
| MEGA | SHAREFILE |
|---|---|
| It is owned by Mega Limited. | It is owned by Citrix Systems. |
| It was launched in 2013. | It was launched in 2005. |
| It offers 15 GB free storage space with additional 35 GB for free trial. | It offers 30 days free trial with maximum storage size 10 GB. |
| It was developed by Kim Dotcom. | It was developed by Jesse Lipson. |
| It has the maximum storage size of 16 TB. | Maximum storage size is unlimited here. |
| It is a file hosting, file synchronization and cloud storage service. | It is a commercial file sharing and file synchronization service. |
| It supports LAN synchronization. | It also supports LAN synchronization. |
| Maximum file size is equal to available cloud drive space. | Maximum file size is 10 GB to 100 GB according to plans. |
| It is supported by Windows, OS X, Linux, Android, iOS and BlackBerry. | It is supported by Windows, OS X, Android and iOS. |