1. Backblaze B2 :
Backblaze B2 是由 Backblaze Incorporation 提供的云存储服务。它与 Amazon S3 和其他云存储服务非常相似。它是一种对象存储服务。它由 Backblaze Incorporation 于 2015 年推出。它提供 10 GB 的免费存储空间。它还为高级帐户提供无限的存储空间。它也被称为 B2 云存储。
2. 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。
Backblaze B2 和 Jumpshare 的区别：
| BACKBLAZE B2 | JUMPSHARE |
|---|---|
| It is owned by Backblaze Incorporation. | It is owned by Jumpshare Incorporation. |
| It was launched in 2015. | It was launched in 2012. |
| It offers 10 GB free storage space. | It offers 2 GB free storage space. |
| It provides unlimited storage space for paid. | It provides limited storage space for paid. |
| It supports file versioning. | It supports remote uploading. |
| Maximum storage size in Backblaze B2 is unlimited. | Maximum storage size is only 1 TB here. |
| Maximum file size in not fixed here. | Maximum file size is 250 MB for free and unlimited for paid. |
| It does not provide real-time file sharing with inbuilt utilities. | It provides real-time file sharing with inbuilt utilities for screenshots, notes and voice clips. |
| Sign up is mandatory from the very first version of it. | Its initial versions didn’t need sign up but later on it was made mandatory. |
| It has no traffic or band-width limit. | It has traffic or band-width limit of 5 GB per month for free and 200 GB per month for paid. |
| Files are not locally encrypted. | Files are encrypted at servers. |