This site provides you access to Concurrent Real-Time software products and updates to those products that execute on the following platforms:

You can download NUU, Concurrent Real-Time's Network Update and Installation utility, browse product repositories to manually download software packages, or create customized Update CD images for immediate download.


Most recent message on Mar 9th, 2018

Mar 9, 2018 - RedHawk 7.0.4 Update Released

The RedHawk 7.0.4 update is now available. Among other fixes and enhancements, it contains all the official Linux Meltdown mitigations available from for the 3.16 kernel.

Additional RedHawk updates will be released as releases more mitigations.

Some Mitigations for Metldown and Spectre were included in the Jan 19, 2018 RedHawk 7.3.3 update.

Mar 8, 2018 - Intermitent Network Problems Resolved

Jan 30, 2018 - retired

Mar 21, 2017 - Network Time Protocol Update

Dec 31, 2016 - Network Time Protocol Update / Leap Second Added


If you need assistance, please contact the Concurrent Real-Time Software Support Center at our toll free number 1-800-245-6453. For calls outside the continental United States, the number is 1-954-283-1822. The Software Support Center operates Monday through Friday from 8 a.m. to 5 p.m., Eastern Standard Time.

You may also submit a request for assistance at any time by using the Concurrent Real-Time web site at or by sending an email to