Downloading CIP4 JDFEditor 21.06 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program is included in Developer Tools. We recommend checking the downloaded files with any free antivirus. This free Mac app was originally developed by cip4.
From the developer:
The JDFEditor enables you to display, modify and validate JDF Documents and JMF Messages. The application provides a broad range of functionality in order to achieve this. For instance, JDF Documents can be extended by additional elements and attributes in a well defined manner.
You may want to check out more Mac applications, such as FMMenulet, eclipse-php or AdobeAIRSDK, which might be related to CIP4 JDFEditor.