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openGauss

Free#30 of 37 in Relational Databases

openGauss: A self-hosted Linux database with standby reads, JSONB, partitioning and recovery tools. Ranked #30 of 37 in Relational Databases by our editors (6.5/10); pricing: Free plan; best for linux teams wanting a free PostgreSQL-style server.

6.5/10Editor score

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openGauss6.5 Visit openGauss

At a glance

Editor score
6.5 / 10
Pricing
Free plan
Best for
Linux teams wanting a free PostgreSQL-style server
Free plan
Yes
Paid from
Free
Deployment model
Self_hosted
Facts checked
23 Sep 2026

Where it wins
- Standby nodes support synchronization, switchover and read-only queries.
- JSONB includes operations, functions and indexing.
- Backup and restoration tools include point-in-time recovery.
Where it doesn't
- Deployment and operation are self-hosted rather than vendor-managed.
- Linux is the only listed platform.
- Support channels are community and documentation.

Our verdict on openGauss

For teams that want to operate a relational database on Linux, openGauss is an open-source option for standard SQL workloads, including online transactions and IoT data. It can run standalone or in a primary/standby configuration, and its documented capabilities span row- and column-store models, partitioning, JSONB, backup and recovery. That breadth may suit small teams through enterprise organizations, but the self-hosted model means the team must take responsibility for deployment and operation. It is a less suitable fit for buyers seeking a vendor-hosted database service.

High availability is a notable part of the feature set: primary and standby nodes can synchronize and support switchover, while standby nodes can be configured for read-only queries. The database also supports range, list and hash partitioning, as well as row-store and column-store models. JSONB support includes storage, operations, functions and indexing. This combination is relevant for teams that need relational workloads alongside JSON data or read queries distributed to standby nodes, rather than a database focused on a narrower single use case.

Backup and operational analysis add further depth. Full and incremental backup and restoration tools are documented, along with point-in-time recovery, SQL self-diagnosis and workload analysis reporting. These features make openGauss worth considering for Linux teams comfortable managing database infrastructure and evaluating its documentation and community support channels. Teams that prefer a hosted managed service, or need a platform beyond Linux, should look elsewhere. The published product information describes free, open-source software rather than paid tiers, so buyers should assess the operational effort alongside the absence of a hosted-service option.

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

openGauss pricing

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

See plans on opengauss.org

openGauss fact sheet

Free plan	Yes
Paid from	Free
Deployment model	Self_hosted
Managed service	No
High availability	Yes
Read replicas	Yes
Backup retention	Not verified
JSON data support	Yes
Maximum connections	Not verified
Deployment	Self-hosted
Platforms	Linux
Support	Community, Docs
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan
Website	opengauss.org
Facts checked	23 Sep 2026

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Featured on iTechGuides

openGauss is listed in our Relational Databases directory. Add the badge to your site — it links back to this page.

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Guides on relational databases

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update