Welcome aboard and thank you for posting the question on the AppDynamics Community.
For sample application to play around with AppDynamics, we recommend that you check out the AppDynamics Github repository. There are plenty of sample apps for various use cases, such as AD-Capital for transaction analytics.
Please let us know if you require further assistance.
Thanks, Radhika P
Found something helpful? Click the Accept as Solution button to help others find answers faster.