This is the ideal way to get started with Datomic for initial development. For no cost (registration required) you get all of the features of Datomic Pro, including unlimited peers and clients, high availability, memcached integration, and Datomic Console. The Datomic Starter license is perpetual, but is limited to 1 year of maintenance and updates. Datomic Starter supports the full Datomic programming model, enabling seamless migration of your data to Datomic Pro with completely compatible code.