Following are the key features of Concordion −

• Specifications as documentation: Concordion specifications, being highly readable, can be used as active system documentation. As Concordion based specifications are written in HTML, these documents can be hyperlinked.
• Specifications are live: Concordion specifications CONTAIN working examples of BEHAVIOR which are executed against the system. Specifications are color-coded so that any one can see whether the examples are working or not. Executing Concordion specifications regularly makes the documentation up-to-date.
• Separate "what?" from "how?": Concordion specifications help separate the implementation and the required behavior of the system. It provides FLEXIBILITY to change an implementation later on.
• Simple to learn: Concordion LIBRARY is very concise. It has very few commands to learn and examples are automated using JUnit tests so that tests can be run easily and can be integrated with existing projects easily.
• Powerful Customization: Concordion provides extensions API which allows to ADD functionality.

Following are the key features of Concordion −