1.亚马逊S3：
Amazon S3 代表 Amazon Simple Storage Service。它是由 Amazon Web Services 提供的云存储服务。它通过 Web 服务接口提供对象存储。它允许存储任何类型的对象，例如用于分析、数据归档、备份和恢复、灾难恢复、混合云存储和互联网应用程序的数据湖。它由 AWS 于 2006 年推出。
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。它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、虚拟数据室和客户门户。它是由Jesse Lipson开发的。它适用于 Windows、macOS、iOS 和 Android。它不提供免费存储空间。它于2005年推出。
Amazon S3 和 ShareFile 之间的区别：
| AMAZON S3 | SHAREFILE |
|---|---|
| It is owned by Amazon. | It is owned by Citrix Systems. |
| It was launched in 2006. | It was launched in 2005. |
| It does not offer free storage space. | It offers 30 days free trial with maximum storage size 10 GB. |
| It was developed by Amazon Web Services (AWS). | It was developed by Jesse Lipson. |
| It has the unlimited maximum storage size. | Maximum storage size is unlimited here. |
| It is a file hosting and cloud storage service. | It is a commercial file sharing and file synchronization service. |
| It has more number of users. | It has comparatively less number of users. |
| Maximum file size is 5 GB here. | Maximum file size is 10 GB to 100 GB according to plans. |
| It requires credit-card details for free trial. | It does not require credit-card details for free trial. |