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。它允许我们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. ZumoDrive：
ZumoDrive 是一种文件托管服务、文件同步服务和基于云的文件存储服务，最初由 Zecter Incorporation 提供，但后来归摩托罗拉移动所有。它由 Zecter Inc. 开发，适用于 Windows、macOS、iOS、webOS、Linux 和 Android。它提供 2 GB 免费存储空间，付费可扩展至 500 GB。它于2009年推出。 Amazon S3 和 ZumoDrive 的区别：
| S.No. | AMAZON S3 | ZUMODRIVE |
|---|---|---|
| 1. | It is owned by Amazon. | Originally owned by Zecter Incorporation but was later owned by Motorola Mobility. |
| 2. | It was launched in 2006. | It was launched in 2009. |
| 3. | It does not offer free storage space. | It offered 2 GB free storage space. |
| 4. | It was developed by Amazon Web Services (AWS). | It was developed by Zecter Inc. |
| 5. | Maximum storage size offered is unlimited. | Maximum storage size offered was 500 GB. |
| 6. | It does not use delta encoding technology. | It used delta encoding technology. |
| 7. | It is still in use. | This service was suspended in 2012. |
| 8. | It requires credit-card details for free trial. | It did not require credit-card details for free services. |
| 9. | It does not provide intelligent predictive caching. | It provided intelligent predictive caching. |
| 10. | Maximum file size is 5 GB here. | Maximum file size had no limit. |