1. 跳跃分享：
Jumpshare 是 Jumpshare Incorporation 提供的文件共享服务。它使用户能够从个人计算机和网络上传文件。它提供免费和高级服务。它提供 2 GB 的免费存储空间。它由 Jumpshare Incorporation 于 2012 年推出。在 Jumpshare 中，最初用户无需注册即可上传文件，但后来强制注册。
2.乌拉：
Wuala 是一种文件同步服务、文件存储服务、文件版本控制服务和备份存储服务，最初由 Caleido Incorporation 提供，但后来归希捷科技所有。它是由Dominik Grolimund和Luzius Meisserin 开发的。它主要是使用Java开发的。它提供了 5 GB 的免费存储空间。它于2008年推出。
Jumpshare 和 Wuala 的区别：
| JUMPSHARE | WUALA |
|---|---|
| It is owned by Jumpshare Incorporation. | Originally owned by Caleido Incorporation but was later owned by Seagate Technology. |
| It was launched in 2012. | It was launched in 2008. |
| It offers 2 GB free storage space. | It offered 5 GB free storage space but later on it was made only paid-service. |
| It was developed by Jumpshare. | It was developed by Dominik Grolimund and Luzius Meisserin. |
| It does not provide additional free storage space for referral. | Initially it had referral system but later on referral service was suspended. |
| It has the maximum storage size of 1 TB. | Maximum storage size offered was 2 TB here. |
| It does not support file versioning. | It supported file versioning. |
| It does not provide ability to trade local disk storage space. | It provided ability to trade local disk storage space against cloud storage. |
| It is still in use. | This service was suspended in 2015. |
| It provides real-time file sharing with inbuilt utilities for screenshots, notes and voice clips. | It did not provide real-time file sharing with inbuilt utilities. |
| Its initial versions didn’t need sign up but later on it was made mandatory. | Sign up was mandatory from the very first version of it. |