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You may download and use Unison™ for your organization without paying for a license. There are no limits on features or user numbers (see our sponsored vs. paid versions). If you wish to remove sponsored ads inside Unison you may buy a license at any time:

Unison Server™
Red Hat Enterprise Linux/CentOS (v. 5+, 32-bit only) Commercial (v. 1.1)
Ubuntu Server Edition (v. 8.04, note that the 64-bit version is in BETA) Commercial (v. 1.1)
Parallels Virtuozzo Container Template (Centos 5.2 x86) Commercial (v. 1.1)

Important – please also download the following Unison documentation:

Unison Desktop™
Windows XP/Vista Commercial (v. 1.1)
Ubuntu/Debian (.deb) Commercial (v. 1.1)
Red Hat Enterprise Linux/Centos (v. 5+, .rpm.sh) Commercial (v. 1.1)
Linux desktop (.tgz.sh) Commercial (v. 1.1)

You may also download Unison Call Manager, a Windows application that allows your managers to manage incoming calls (or 'hunt groups') for their staff:

Unison Call Manager™
Windows XP/Vista version Commercial (v. 1.1)

* All downloads above are of our sponsor-supported version. You may use it without charge. For our paid version, without ads, you can purchase Unison licenses here.

** The beta downloads are available for testing. We do not endorse using them in a production environment.

Copyright © 2009 Unison Technologies, Inc. All rights reserved. Unison is a trademark of Unison Technologies, Inc. | Privacy policy

This Unison software is protected under U.S. and international law; technology protected under US Patent No. 7286661.

The use or sale of Unison software is prohibited in the following countries or US states: Texas, Virginia, Wisconsin, Cuba, Iran, North Korea, Libya, Sudan, Syria, or any country to which the U.S. has embargoed goods.