How to: DynamoDB Alternatives and Lock-in
-	⛓ Unlike the technologies behind many other Amazon products, DynamoDB is a proprietary AWS product with no interface-compatible alternative available as an open source project. If you tightly couple your application to its API and featureset, it will take significant effort to replace.
-	The most commonly used alternative to DynamoDB is [Cassandra](http://cassandra.apache.org/).

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