2011-02-22 Apache Chemistry Apache Chemistry provides open source implementations of the Content Management Interoperability Services (CMIS) specification. Apache Chemistry provides open source implementations of the Content Management Interoperability Services (CMIS) specification. Libraries are available for Java, Python, PHP and .NET. Java Python PHP C# Objective-C cmislib 2012-12-19 0.5.1 DotCMIS 2015-04-13 0.7 OpenCMIS 2017-04-05 1.1.0 ObjectiveCMIS 2017-07-31 0.6 PortCMIS 2017-07-25 0.3 Florian Müller OASIS Content Management Interoperability Services (CMIS) OASIS CMIS