1. 保管箱：
Dropbox 是美国公司 Dropbox Incorporation 提供的文件托管服务。它提供云存储、文件同步、个人云和客户端软件。它成立于 2007 年。 Dropbox 是由两位麻省理工学院的学生Drew Houston和Arash Ferdowsi 开发的。它仅提供 2 GB 的免费存储空间。它是最早的云存储服务之一。
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。
Dropbox 和 HCL 连接之间的区别：
| DROPBOX | HCL CONNECTIONS |
|---|---|
| It is owned by Dropbox Incorporation. | It is owned by HCL Technologies. |
| It was launched in 2007. | It was also launched in 2007. |
| It offers 2 GB free storage space. | It offers 5 GB free storage space. |
| It was developed by Drew Houston and Arash Ferdowsi. | It was developed by IBM. |
| It provides unlimited maximum storage space. | It provides limited maximum storage space. |
| It has traffic or band-width limit of 20 GB per day for free and 200 GB per day for paid. | It does not have traffic or band-width limit. |
| It has the maximum storage size unlimited for paid. | Maximum storage size is 1 TB here. |
| It supports less types of file formats. | It supports more types of file formats. |
| Here maximum file size is 10 GB and unlimited using client application. | Here maximum file size is 2 GB. |
| It provides additional storage space of 500 MB for referral up to 18 GB for paid. | It has no referral system for gaining additional storage space. |
| It shares files through web applications. | While it shares files through links. |
| It uses block-syncing to update changes quickly. | It does not use block-syncing to update changes quickly. |