
Cyn.in Community Edition is an open source collaboration software distributed under the GNU GPL v3 license. You are free to deploy the Cyn.in open source appliance on your network / infrastructure to test, evaluate, customize and improve it.
Note: The open source community edition is not commercially supported - If you are looking for a commercially supported version of Cyn.in, click here.
Get the Software Appliance
The Cyn.in software appliance is the quickest way to set up Cyn.in for your team. The software appliance is distributed in the standard ISO format and can be installed directly onto a standard x86 computer, converting it to a dedicated Cyn.in Appliance. To try out Cyn.in without dedicating hardware to it, you could also install this ISO into a virtual machine, using any of the standard virtualization tools. Click the link below to download it (Registration required):
Requirements - A dedicated machine (Real or Virtual), with:
- x86 capable system
- Minimum 1GB RAM (2GB Recommended)
- Minimum 5GB Disk Space
- Direct Internet access to the machine
Next steps:
- For installation help go through the appliance installation guide
- Upgrade your Cyn.in 3.x installation
- Setup Cyn.in for anonymous access
- Participate in the Cyn.in user community
- Browse the public resources and documentation for Cyn.in
- Compare the benefits of the commercially supported editions
Need Support?
Need a supported, certified and tested cyn.in appliance? Check out the commercially supported Cyn.in On-Premise Appliance for a cost effective solution
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Need Hosting?
Want to avoid setup & infrastructure hassles? Get a cyn.in On-Demand server hosted by Cynapse
Get the Source Code
The source code package is for users and developers who prefer to modify, build and run the Cyn.in application on an operating system of their choice. Moderate knowledge of Plone, Zope & Python is required to build or modify Cyn.in. Do not forget to contribute your code, ideas and bugs to the Cyn.in community.
Cyn.in Community Edition Source - v3.1.3
cynin_3_1_3-source.zip - 7.7MB
How-To: Cyn.in Buildout Quick Steps
Follow this quick-start guide to setup Cyn.in development environment from source code.
Checkout from the SVN repository
Alternatively, the source code can be downloaded by checking out the subversion repository using the URL below:
Browse the source code online
Browse the Cyn.in SVN repository without requiring to checkout the whole repository
Note: Any modifications made to the code is required to be released back to the community as per GPL v3. To learn more about how to contribute, check out the contribution guide.

