CMIS (Content Management Interoperability Services) is a standard for improving interoperability between ECM systems. It specifies a domain model plus a set of services and protocol bindings for Web Services (SOAP) and AtomPub.

Public Alfresco CMIS Server

This Alfresco server supports CMIS 1.0.
The Browser Binding is based on the CMIS 1.1 draft.

This server runs bleeding edge code and is not optimized for performance.
Data stored on this server might be removed without notice.

Alfresco 4.x CMIS Content Repository

Point your CMIS client to one of the following Alfresco CMIS bindings
(with user=admin and password=admin).

You can also browse this repository via

Alfresco 3.x CMIS Content Repository (obsolete)

The Alfresco 3.x CMIS URLs are still available but should not be used.

OpenCMIS TCK

Open the CMIS Workbench (Java WebStart) and hit the TCK button. Note that the TCK takes several minutes to complete and you have to be a CMIS expert to interpret the results.