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。它使我们能够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. ZumoDrive：
ZumoDrive是文件托管服务，文件同步服务和基于云的文件存储服务，最初由Zecter Incorporation提供，但后来由Motorola Mobility拥有。它由Zecter Inc.开发。适用于Windows，macOS，iOS，webOS，Linux和Android。它提供了2 GB的免费存储空间，可以扩展到500 GB的付费存储空间。它于2009年推出。 Amazon S3和ZumoDrive之间的区别：
| 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. |