I mean it would be cool if they did, but the secret sauce behind DynamoDb is really the scale, without it it probably wouldn't have the performance characterist

I mean it would be cool if they did, but the secret sauce behind DynamoDb is really the scale, without it it probably wouldn't have the performance characteristics end users are looking for. Nor do I think AWS ever wants to be in the business of supporting a non-managed piece of software.