1. 芥末：
Wasabi 是由 Wasabi Technologies Incorporation 提供的文件托管和云存储服务。它是一种对象存储服务。它由 Wasabi Technologies Incorporation 于 2017 年推出。它不提供免费存储空间。它为付费提供无限的最大存储空间。它也被称为芥末热存储或芥末热云存储。
2. Ubuntu 一：
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。它提供了在云上存储文件以及从云中传输音乐的服务。它由 Canonical Ltd 开发，适用于 Windows、OS X、iOS、Ubuntu 和 Android。它提供了 5 GB 的免费存储空间。它于2009年推出。
Wasabi 和 Ubuntu One 的区别：
| WASABI | UBUNTU ONE |
|---|---|
| It is owned by Wasabi Technologies Incorporation. | It was owned by Canonical Limited. |
| It was launched in 2017. | It was launched in 2009. |
| It does not offer free storage space. | It offered 5 GB free storage space. |
| It was developed by Wasabi Tech Inc. | It was developed by Canonical Ltd. |
| Maximum storage size is unlimited here. | Maximum storage size was unlimited here also. |
| 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 not restricted here. | Maximum file size was 5 GB per file. |
| It is a file hosting and cloud storage service. | It was a commercial file synchronization service. |
| It has append-only support. | It did not have append-only support. |
| It has no traffic or band-width limit. | It has Amazon S3 limits as traffic or band-width limit. |