1.亚马逊S3：
Amazon S3代表Amazon Simple Storage Service。它是Amazon Web Services提供的一种云存储服务。它通过Web服务界面提供对象存储。它允许存储任何类型的对象，例如用于分析，数据存档，备份和恢复，灾难恢复，混合云存储和Internet应用程序的数据湖。它由AWS在2006年推出。
2. MediaFire：
MediaFire是MediaFire LLC提供的文件同步，文件托管和云存储服务。它提供了适用于Windows，macOS，Linus，Android，iOS和Web浏览器的客户端软件。它是由Derek Labian和Tom Langridge共同创立的。它提供10 GB的可用存储空间。它为付费帐户提供了有限的存储空间。它于2006年推出。
Amazon S3和MediaFire之间的区别：
| AMAZON S3 | MEDIAFIRE |
|---|---|
| It is owned by Amazon. | It is owned by MediaFire LLC. |
| It was launched in March 2006. | It was launched in June 2006. |
| It was founded by Amazon Web Services (AWS). | It was founded by Derek Labian and Tom Langridge. |
| It does not offer free storage space. | It offers 10 GB free storage space. |
| It provides unlimited maximum storage space for paid. | It provides limited maximum storage space for paid. |
| It is not supported by all operating systems. | It is supported by all operating systems. |
| It has the unlimited maximum storage size. | Maximum storage size is 100 TB here. |
| It supports file versioning. | It also supports file versioning. |
| Maximum file size is 5 GB here. | Here maximum file size is 20 GB. |
| Resumption of interrupted downloads may lead to failure. | Resumption of interrupted downloads is possible. |
| It does not have referral system for gaining additional free storage space. | It provides additional 50 GB free storage space for referral up to 1 TB pro accounts. |
| It does not support remote uploading. | It supports remote uploading. |
| It requires credit-card details for free trial. | It does not require credit-card for free services. |