5 Best Open Source Alternatives to YugabyteDB

1.TiDB

40.2kApache-2.0Go Self-host

TiDB is an open-source, cloud-native, distributed SQL database for workloads that need strong consistency, high availability, and scale. It supports ACID distributed transactions, MySQL 8.0 compatibility, and deployment across public clouds, on-premises environments, Kubernetes, or TiDB Cloud.

• ACID distributed transactions using two-phase commit
• MySQL 8.0 compatibility for existing drivers, frameworks, and tools
• HTAP with TiKV row storage and TiFlash columnar storage
• Raft consensus, multiple replicas, and automated failover

2.CockroachDB

32.2kOtherGo Self-host

CockroachDB is a cloud-native distributed SQL database for modern, data-intensive applications. It is built on a transactional, strongly consistent key-value store and provides a familiar SQL API for structuring, manipulating, and querying data.

• Distributed SQL database built on a strongly consistent key-value store
• Strongly consistent ACID transactions
• Horizontal scaling across a cluster
• Survives disk, machine, rack, and datacenter failures

3.Citus

12.6kAGPL-3.0C Self-host

Citus is a PostgreSQL extension that turns Postgres into a distributed database. It targets applications that have outgrown a single PostgreSQL node, especially multi-tenant apps, analytical queries, time series, IoT data, and real-time analytics workloads.

• Distributed tables sharded across PostgreSQL nodes
• Reference tables replicated to all nodes for joins and foreign keys
• Distributed query engine for SELECT, DML, and other operations
• Columnar storage for compression, scans, and projections

4.YugabyteDB

10.3kOtherC Self-host

YugabyteDB is a PostgreSQL-compatible, cloud-native distributed SQL database for OLTP applications that need transactional consistency, scalability, failure tolerance, or globally distributed deployment. It combines relational database capabilities with NoSQL-style horizontal scaling.

• PostgreSQL-compatible YSQL query layer
• Distributed ACID transactions with Raft consensus
• Horizontal scaling by adding nodes
• Multi-zone, multi-region, and multi-cloud deployments

5.Apache Cassandra

9.8kApache-2.0Java Self-host

Apache Cassandra is a highly scalable, distributed database built as a partitioned row store. Rows are organized into tables with a required primary key, and data is distributed across multiple machines so a cluster can grow without losing read and write availability.

• Partitioned row store with required primary keys
• Automatic repartitioning as nodes join or leave
• CQL query language, a close relative of SQL
• Interactive cqlsh client for reads and writes