Open Source Google Cloud Spanner Alternatives
Find open-source alternatives to Google Cloud Spanner for distributed SQL. Self-host globally consistent relational databases without GCP vendor lock-in.
Google Cloud Spanner is a fully managed, globally distributed relational database service offering strong consistency, unlimited scalability, and 99.999% availability. It supports ANSI SQL, automatic sharding, synchronous replication across regions, and native support for transactional workloads. Spanner is used by enterprises requiring planet-scale databases that maintain full ACID compliance across distributed nodes—a combination that traditional databases cannot achieve.
Despite its impressive technical capabilities, Cloud Spanner ties organizations to Google Cloud infrastructure and its premium pricing model. Teams seeking open source alternatives typically want portable distributed SQL that runs on any cloud or on-premises environment, lower costs at scale, and freedom from GCP-specific APIs and operational dependencies.
Open Source Alternatives
Dolt
Databases · Data Engineering · Developer Tools
The SQL database you can branch, merge, diff, and clone — Git for your data, MySQL-compatible and ready for multi-agent AI workflows.
Dolt
TiDB
Databases · AI Development
AI-Native Distributed SQL Database for Agentic Workloads
