Download

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) Version 2.0
Ubuntu Server Edition (v. 8.04, 32-bit only) Version 2.0

Important – please also download the following Unison documentation:

Unison Desktop™
Windows XP/Vista Version 2.0
Ubuntu/Debian (.deb) Version 2.0
Red Hat Enterprise Linux/Centos (v. 5+, .rpm.sh) Version 2.0
Linux desktop (.tgz.sh) Version 2.0

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 Version 2.0

* 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.

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Unison software and technology is protected under U.S. and international patent and copyright laws

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.