Datomic is an operational database management system - designed for transactional, domain-specific data. The transactions are fully serialized, and consistent in both the ACID and CAP senses.
In addition, Datomic Cloud is built for AWS integration and is a quicker and easier way to access Datomic on AWS.
Cognitect, Inc.
2012
Cassandra, CouchDB, DynamoDB, Infinispan, MySQL, Oracle NoSQL, Oracle RDBMS, PostgreSQL, Riak