1. 媒体火：
MediaFire 是由 MediaFire LLC 提供的文件同步、文件托管和云存储服务。它为 Windows、macOS、Linus、Android、iOS 和 Web 浏览器提供客户端软件。它由Derek Labian和Tom Langridge创立。它提供 10 GB 的免费存储空间。它为付费帐户提供有限的存储空间。它于2006年推出。
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。
MediaFire 和 Wuala 的区别：
| MEDIAFIRE | WUALA |
|---|---|
| It is owned by MediaFire LLC. | Originally owned by Caleido Incorporation but was later owned by Seagate Technology. |
| It was launched in 2006. | It was launched in 2008. |
| It offers 10 GB free storage space. | It offered 5 GB free storage space but later on it was made only paid-service. |
| It was developed by Derek Labian and Tom Langridge. | It was developed by Dominik Grolimund and Luzius Meisserin. |
| It provides additional 50 GB free storage space for referral up to 1 TB pro. | Initially it had referral system but later on referral service was suspended. |
| It has the maximum storage size of 100 TB. | Maximum storage size offered was 2 TB here. |
| It supports file versioning. | It also 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. |
| Resumption of interrupted download is possible. | Resumption of interrupted download might lead to the failure. |