• What is Unison
  • Overview
  • Unison Server™Linux server for all communications
  • Unison Desktop™Windows or Linux native clients
  • FAQsCommon questions about Unison
  • PricingLicense and support costs
• Benefits
  • Overview
  • For IT managers9 reasons Unison is better
  • For business managersMake staff more productive
  • Compare Unisonvs. PBX, Microsoft Exchange
• Solutions
• Support
• Partners
  • Overview
  • Why partner?Reasons to sell Unison
  • Pricing and marginsA highly-profitable service
  • RegisterBecome a Unison partner
• About us
  • Overview
  • ManagementMeet our executives
  • Press contactsContact our PR team
  • ReleasesThe latest news from Unison
  • CoverageUnison in the press
  • Investor relationsContact our IR manager
  • CareersWork for Unison
  • Contact usE-mail, telephone, locations
  • Open sourceView and download
  • Privacy
• Blog
• Forum

• What is Unison

• Overview
• Unison Server™
• Unison Desktop™
• FAQs
• Pricing

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  2008 Finalist

Unison™ makes communications unified

Unison replaces your old e-mail and IM servers, and your PBX or telephone system with a unified alternative.

• What is Unison?
• How Unison works
• Compare Unison to other solutions

Unison is software that you install on one Linux server, Unison Server™. That server replaces several systems – PBX, e-mail, instant messaging, directory – with a single Unison system. It also comes with a native desktop client for Windows or Linux, Unison Desktop. See how Unison works or click here to view Unison in action.