imapsync - Console-based utility for migrating IMAP mailboxes.

CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.

audriga Email and Groupware migration - Easily migrate your email, contacts, calendar items and tasks to your new provider or server. No software installation is required.

ManageWP - ManageWP is a service for bloggers, site owners and web based companies helping them manage multiple WordPress sites from one dashboard.

MailStore - MailStore Home - A 100% free single-private-user desktop solution

Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.