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Galera Cluster

Free#19 of 30 in Database Replication SoftwareData Replication Software

Galera Cluster: A focused, free clustering option for highly available MySQL and MariaDB workloads. Ranked #19 of 30 in Database Replication Software by our editors (7.2/10); pricing: Free plan; best for free MySQL/MariaDB multi-primary clusters.

7.2/10Editor score

Visit MariaDB

Galera Cluster7.2 Visit MariaDB

At a glance

Editor score
7.2 / 10
Pricing
Free plan
Best for
Free MySQL/MariaDB multi-primary clusters
Free plan
Yes
Paid from
Free
Change data capture
Yes
Facts checked
20 Sep 2026

Where it wins
- Synchronous multi-primary replication supports reads and writes on any node
- Automatic provisioning, hot standby, and failover support cluster resilience
- State transfers and streaming replication handle large or long-running transactions
Where it doesn't
- Supports only MySQL and MariaDB databases
- Linux and self-hosted deployment require infrastructure ownership
- Integration coverage is narrower than broader database replication platforms

Our verdict on Galera Cluster

Galera Cluster is an open-source database clustering technology for MySQL and MariaDB. It provides synchronous, multi-primary replication, allowing reads and writes on any cluster node while maintaining consistent data across the cluster. The product is aimed at organizations running high-availability transactional workloads that need database redundancy and scalable read/write access. It supports Linux and self-hosted environments, with hybrid deployment across cloud environments, data centers, and wide-area networks.

The published feature set focuses on keeping cluster nodes synchronized and available. Certification-based replication, automatic node provisioning, hot standby, and node failover support multi-primary operations, while multi-threaded replication can help with replication processing. State Snapshot Transfers and Incremental State Transfers support node synchronization, and streaming replication is designed for large or long-running transactions. Cross-region deployment and change data capture support are also listed in the category specifications.

Galera Cluster is available as open-source software with a free plan, making it a direct fit for teams seeking MySQL or MariaDB clustering without a listed license charge. Its main trade-off is focus: the supported database coverage is limited to MySQL and MariaDB, and the platform scope centers on Linux and self-hosted deployment. Teams with those databases and a need for synchronous multi-primary failover should consider it; organizations seeking broader database coverage or wider integration options should look elsewhere. MariaDB also offers Enterprise Cluster under its enterprise offerings with contact-sales pricing.

Your product? Our editors can test Galera Cluster in depth and publish a review, labelled as paid · from $149/mo →

Galera Cluster pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on mariadb.com

Galera Cluster fact sheet

Free plan	Yes
Paid from	Free
Change data capture	Yes
Replication direction	Multi-way
Deployment options	Hybrid
Supported databases	MySQL, MariaDB
Cross-region replication	Yes
Data transformations	Not verified
Deployment	Cloud, Self-hosted
Platforms	Linux
Support	Tickets, Phone, Live chat · 24/7
Built for	Mid-market, Enterprise (editorial estimate)
Pricing	Free plan (source)
Website	mariadb.com
Facts checked	20 Sep 2026

Alternatives to Galera Cluster

See all Galera Cluster alternatives →

Also Ranked In

Galera Cluster is ranked in 2 of our directories.

#21Data Replication Software26 tools ranked

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Featured on iTechGuides

Galera Cluster is listed in our Database Replication Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update