1. 盒子：
Box 是 Box Incorporation 提供的云存储和文件托管服务。它是由Aaron Levie和Dylan Smith 开发的。它基本上是面向企业的云内容管理和文件共享服务。它提供 10 GB 的存储空间。它由 Box Incorporation 于 2005 年推出，适用于 Windows、macOS 等平台。
2. 糖同步：
SugarSync 是 J2 Global 提供的云服务和文件同步服务。它可以主动同步计算机系统和其他设备中的文件，以进行备份、访问和共享。它受 Windows、macOS、iOS 和 Android 操作系统支持。它由 J2 Global 于 2009 年推出。它不提供免费存储空间。它为付费用户提供有限和无限的存储空间。
Box 和 SugarSync 的区别：
| BOX | SUGARSYNC |
|---|---|
| It is owned by Box Incorporation. | It is owned by J2 Global. |
| It was launched in 2005. | It was launched in 2009. |
| It was developed by Aaron Levie and Dylan Smith. | It was developed by J2 Global. |
| It offers 10 GB free storage space. | It does not offer free storage space. |
| It provides limited and unlimited both type of maximum storage space for paid. | It also provides limited as well as unlimited maximum storage space for paid. |
| It supports file versioning in premium accounts only. | It fully supports file versioning. |
| It supports remote uploading of 30 MB per file via IFTTT. | It does not support remote uploading. |
| Maximum storage size is 100 GB for personal accounts and unlimited for business accounts. | Maximum storage size is 60 GB for personal paid and unlimited for professional paid. |
| It has traffic or band-width limit of 10 GB per month for free and 2 TB per month for paid. | It has traffic or band-width limit of 10 GB per day for free and 250 GB per day for paid. |
| Maximum file size is 250 MB for free and 5 GB for paid. | Here maximum file size is not restricted. |