The OpenTravel Modeling tool is now in its second iteration. OTM-DEx is a Java-based modeler that works in conjunction with the OTA 2.0 repository to allow you to quickly interact and modify the 2.0 models. To use this tool you will need to have Java 8 installed and will need to register for access to the repository.
Please watch this short video on how to download and install the tool.
Click the button below to register for access to the 2.0 repository
Click the button below to download the OTM-DEx tool