Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Gmvault - Backup the emails in your Gmail account.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
imapsync - Console-based utility for migrating IMAP mailboxes.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs