Check this tutorial for an updated overview of the platform.
Please refer to the Youtube channel playlist for a comprehensive list of video demos.
Available demos include:
How to use the Cookiecutter template
How to deploy/train a module locally and remotely
How to use some of the modules available in the Marketplace
How to develop a module in the Testbed
Bear in mind the demos can become quickly outdated so please refer to the docs for the latest information.