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. ZumoDrive：
ZumoDrive是文件托管服务，文件同步服务和基于云的文件存储服务，最初由Zecter Incorporation提供，但后来由Motorola Mobility拥有。它由Zecter Inc.开发。适用于Windows，macOS，iOS，webOS，Linux和Android。它提供了2 GB的免费存储空间，可以扩展到500 GB的付费存储空间。它于2009年推出。
Mega和ZumoDrive之间的区别：
| MEGA | ZUMODRIVE |
|---|---|
| It is owned by Mega Limited. | Originally owned by Zecter Incorporation but was later owned by Motorola Mobility. |
| It was launched in 2013. | It was launched in 2009. |
| It offers 15 GB free storage space with additional 35 GB for free trial. | It offered 2 GB free storage space. |
| It was developed by Kim Dotcom. | It was developed by Zecter Inc. |
| It has the maximum storage size of 16 TB. | Maximum storage size offered was 500 GB here. |
| It is a file hosting, file synchronization and cloud storage service. | It is a file hosting, file synchronization and cloud-based file storage service. |
| It is still in use. | This service was suspended in 2012. |
| Maximum file size is equal to available cloud drive space. | maximum file had no limit here. |
| It does not provide intelligent predictive caching. | It provided intelligent predictive caching. |
| It supports Windows, OS X, Linux, Android, iOS and Blackberry. | It supported Windows, OS X, Linux, Android, iOS and Palm webOS. |
| It has client-side encryption. | It did not have client-side encryption. |