AlchemyDB is a NewSQL RDBMS built on top Redis.
The project was acquired by Aerospike in 2012 and discontinued.
Relational
SQL
Shared-Everything
https://code.google.com/p/alchemydatabase/
https://github.com/JakSprats/Alchemy-Database
https://code.google.com/archive/p/alchemydatabase/wikis
Russell Sullivan
US
2010
2012
Redisql
Aerospike
Commercial, Open Source
C
Redis
Neo4j
AGPL v3