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. SecureSafe：
SecureSafe是DSwiss AG提供的文件托管服务和云存储。它提供密码安全，文档存储和用于在线协作的数字空间。它是根据设计安全和设计隐私的原则开发的。它由DSwiss AG在2009年推出。它提供100 MB的免费存储空间。它提供了有限的存储空间，最多可支付100 GB的费用。 Mega和SecureSafe之间的区别：
| MEGA | SECURESAFE |
|---|---|
| It is owned by Mega Limited. | It is owned by DSwiss AG. |
| It was launched in 2013. | It was launched in 2009. |
| It was developed by Kim Dotcom. | It was developed by DSwiss AG. |
| It offers 15 GB free storage space with additional 35 GB for free trial. | It offers 100 MB free storage space. |
| It provides limited maximum storage space for paid. | It also provides limited storage space for paid. |
| It supports developer API. | It does not support developer API. |
| It does not offer data inheritance. | It offers data inheritance. |
| Maximum storage size is 16 TB here. | Here maximum storage size is 100 GB. |
| Maximum file size is equal to available cloud drive space. | Here maximum file size is 2 GB. |
| 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 does not support file versioning. |