Email Server Software.
ISP-Grade Exchange Alternative.
Email Server Software with Calendar and Contact Sync.


Private Calls & Chats.
StealthChat is a secure app for calling and chatting with your friends and partners. With advanced encryption technology, your phone calls and chat messages are private.


Secure Cross Platform Chat.
AstraChat is a reliable and secure cross platform chat and communication solution that can scale to support millions of users.


BlackBerry ActiveSync.
BlackBerry synchronization application providing two-way over-the-air synchronization of email, calendar and contact data with an Exchange ActiveSync compatible server.

Rockliffe is a leading developer of communication software. Established in 1995, Rockliffe hase decades of experience developing and selling email, chat and messaging software. Rockliffe's expertise includes email server software, email client software, chat and messaging server software, chat and messaging client software for desktop and mobile.


Chris Cashman, Apptrix, LLC

"I can't even begin to describe how happy I am that your product has finally come to market! Thank you guys for making the lives of Exchange admins all over the planet much, much easier."

Tony Harrington, ABC Financial Services, Inc

"I just wanted to contact you to say that AstraSync is the best product on the market and meets the needs of the consumer beyond any comparable product."