1. HCL连接：
HCL Connections是HCL Technologies提供的一种存储软件。它由IBM开发，但HCL于2019年收购了它。这是一个企业协作平台，可帮助团队更高效地工作。它由IBM在2007年推出。它提供5 GB的免费存储空间。它为付费帐户提供了有限的存储空间。它以前被称为IBM Connections。
2. Ubuntu One：
Ubuntu One是由Canonical Limited提供的文件托管服务，文件同步服务和云服务。这是一个基于OpenID的单点登录服务。它提供了用于在云上存储文件以及从云流式传输音乐的服务。它由Canonical Ltd.开发。适用于Windows，OS X，iOS，Ubuntu和Android。它提供了5 GB的可用存储空间。它于2009年推出。
HCL连接和Ubuntu One之间的区别：
| HCL CONNECTIONS | UBUNTU ONE |
|---|---|
| It is owned by HCL Technologies. | It was owned by Canonical Limited. |
| It was launched in 2007. | It was launched in 2009. |
| It offers 5 GB free storage space. | It also offered 5 GB free storage space. |
| It was developed by IBM. | It was developed by Canonical Ltd. |
| It has the maximum storage size of 1 TB. | Maximum storage size was unlimited here. |
| It is still in use. | This service was suspended in 2014. |
| Files stored here are encrypted. | Files stored in Ubuntu One were not encrypted. |
| Maximum file size is 2 GB here. | Maximum file size was 5 GB per file. |
| It is a file hosting, file synchronization and cloud storage service. | It was a commercial file synchronization service. |
| It has no traffic or band-width limit. | It has Amazon S3 limits as traffic or band-width limit. |
| It supports Windows, OS X, iOS and Android. | It supported Windows, OS X, iOS, Ubuntu and Android. |
| It does not have freeware version. | It had freeware version. |