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. HCL 连接：
HCL Connections 是 HCL Technologies 提供的存储软件。它由 IBM 开发，但 HCL 在 2019 年收购了它。它是一个企业协作平台，可帮助团队更高效地工作。它由 IBM 于 2007 年推出。它提供 5 GB 的免费存储空间。它为付费帐户提供有限的存储空间。它早先被称为 IBM Connections。
Amazon S3 和 HCL 连接之间的区别：
| AMAZON S3 | HCL CONNECTIONS |
|---|---|
| It is owned by Amazon. | It is owned by HCL Technologies. |
| It was launched in 2006. | It was launched in 2007. |
| It does not offer free storage space. | It offers 5 GB free storage space. |
| It was developed by Amazon Web Services (AWS). | It was developed by IBM. |
| It has the unlimited maximum storage size for paid users. | It has the limited maximum storage size for paid users too. |
| Maximum storage size is unlimited here. | Maximum storage size is 1 TB here. |
| It does not support remote uploading. | It also does not support remote uploading. |
| Maximum file size in Amazon S3 is 5 GB. | Here maximum file size is 2 GB. |
| It supports file versioning. | It also supports file versioning. |
| It requires credit-card details for free trial. | It does not require credit-card for free services. |
| There is traffic or band-width limit. | There us no traffic or band-width limit. |