CockroachDB — #5 Alternative to AWS RDS
Distributed SQL database engineered for active-active multi-region survival
CockroachDB speaks the Postgres wire protocol while sharding ranges across Raft consensus groups so regional outages, node upgrades, and schema changes complete with zero downtime.
License: CockroachDB Software License / BSL · Pricing: Freemium · Compare all AWS RDS alternatives · Official Website