Open-Xchange Product Licenses

Open-Xchange offers products based on open source technologies that have proven quality in millions of deployments. The open source software is in continuous development by Open-Xchange together with a massive open source community. In addition, Open-Xchange encompasses third-party technology available under open source licensing.

Licenses relevant for respective versions of Open-Xchange can be found at:


Open-Xchange 6 Product-Family

• Open-Xchange Appliance Edition
• Open-Xchange Express Edition
• Open-Xchange Hosting/Server Edition
• Open-Xchange Server Edition for Univention Corporate Server

Additional software and tools for the Open-Xchange 6 Product-Family:

• Open-Xchange OXtender for Business Mobility
• Open-Xchange OXtender for Mac OS X
• Open-Xchange OXtender for Microsoft Outlook
• Open-Xchange OXtender for Mobile Web
• Open-Xchange Client Updater
• Open-Xchange Data transfer tools OX Express Edtion to OX Appliance Edition (OXEEtoOXAE)
• Open-Xchange Data transfer tools OX Server 5 to OX Server 6 (OX5toOX6)
• Open-Xchange Data transfer tools OX Server 5 to OX Server AE (OX5toOXAE)

Open-Xchange 6 Product-Family for the Community:

• Open-Xchange Server
• Open-Xchange OXtender for Microsoft Outlook

Open-Xchange 6 Framework for automated GUI Tests:

• Framework for automated GUI Tests
• Fitnesse (Testing Tool); GNU General Public License, version 2 (PDF)

Open-Xchange 5 Product-Family

• Open-Xchange Server 5

Additional software and tools for the Open-Xchange 5 Product-Family:

• Open-Xchange OXtender for Microsoft Outlook
• Open-Xchange Palm OXtender
• Open-Xchange SyncML OXtender

Open-Xchange Server 5 for the Community:

• Open-Xchange Server 5