1.Yandex 磁盘：
Yandex Disk 是 Yandex 提供的云存储、文件同步和文件共享服务。它允许用户将文件存储在云上，并允许与他人在线共享文件。它由 Yandex 于 2012 年推出。它提供 10 GB 的免费存储空间。它为付费提供了有限的最大存储空间。 Yandex Disk 提供的最大存储空间为 1024 GB。
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。
Yandex Disk 和 Wuala 的区别：
| YANDEX DISK | WUALA |
|---|---|
| It is owned by Yandex. | Originally owned by Caleido Incorporation but was later owned by Seagate Technology. |
| It was launched in 2012. | 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 Yandex. | 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. |
| Maximum storage size is 1024 GB here. | 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. |