1. SugarSync：
SugarSync是由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。 Windows，macOS，iOS和Android操作系统均支持它。它由J2 Global在2009年推出。它不提供免费的存储空间。它提供付费的有限和无限存储空间。
2.共享文件：
ShareFile是Citrix Systems提供的文件同步服务，文件共享服务和基于云的文件存储服务。这是一种安全的内容协作，支持以文档为中心的任务。它提供基于云的存储，虚拟数据室和客户端门户。它由Jesse Lipson开发。它适用于Windows，macOS，iOS和Android。它不提供免费的存储空间。它于2005年推出。
SugarSync和ShareFile之间的区别：
| SUGARSYNC | SHAREFILE |
|---|---|
| It is owned by J2 Global. | It is owned by Citrix Systems. |
| It was launched in 2009. | It was launched in 2005. |
| It does not offer free storage space. | It offers 30 days free trial with maximum storage size 10 GB. |
| It was developed by J2 Global. | It was developed by Jesse Lipson. |
| Maximum storage size is 60 GB for personal paid and unlimited for professional paid. | Maximum storage size is unlimited here. |
| It is a file hosting, file synchronization and cloud storage service. | It is a commercial file sharing and file synchronization service. |
| Maximum file size has no limit here. | Maximum file size is 10 GB to 100 GB according to plans. |
| Detect rename and detect move features are available in it. | It has detect rename feature. |
| It is supported by Windows, OS X, Android, BlackBerry, iOS and Windows Phone. | It is supported by Windows, OS X, Android and iOS. |
| It does not have freeware version. | It has freeware version. |