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Synmetrix

Free#20 of 28 in Semantic Layer Software

Synmetrix: A self-hosted Cube-based layer for governed metrics, APIs, and exploration. Ranked #20 of 28 in Semantic Layer Software by our editors (7.4/10); pricing: Open source; best for open-source Cube-style semantic deployments.

7.4/10Editor score

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At a glance

Editor score
7.4 / 10
Pricing
Open source
Best for
Open-source Cube-style semantic deployments
Paid from
Free
Governed metrics
Yes
Facts checked
20 Sep 2026

Where it wins
- Cube-based modeling for metrics, dimensions, measures, and relationships
- SQL API connects governed data to BI and downstream applications
- Version control, caching, pre-aggregations, alerts, and reports included
Where it doesn't
- Self-hosted deployment centers on Docker and Docker Compose
- The Cube-based model may require dedicated data-modeling expertise
- Its broad platform is more than teams needing only lightweight metric definitions

Our verdict on Synmetrix

Synmetrix is an open-source semantic layer for teams that need centralized, governed metrics across BI, reporting, dashboards, data science, and embedded analytics. It uses Cube data models to define dimensions, measures, relationships, transformations, and aggregations, then exposes that governed data through a SQL API. Deployment is self-hosted through Docker and Docker Compose, with web and API access alongside the deployment model. The fit is strongest for data teams building an open-source semantic deployment rather than organizations looking for a hosted-only service.

Its ecosystem is broad for a semantic layer. Synmetrix integrates with Apache Superset, Tableau, Jupyter, Hex, Census, Hightouch, Retool, DBeaver, and Observable, while Slack, Email, and Webhooks support alerts and reports. The platform also combines schema version control, caching, pre-aggregations, role-based access control for data resources, team collaboration, and exploratory analysis with filters, queries, and CSV export. That combination supports both governed consumption and direct investigation without limiting access to a single BI tool.

The main trade-off is operational and conceptual scope. Teams must run a self-hosted deployment and work within a Cube-based modeling approach, so it is better suited to organizations prepared to manage data models and platform infrastructure than to users seeking a minimal, fully managed metrics product. Synmetrix is a strong choice when open-source deployment, governed metrics, SQL access, and integrations matter together. Teams that need a lighter scheduling tool or a hosted semantic service should consider a narrower alternative.

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

Synmetrix pricing

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

See plans on synmetrix.org

Synmetrix fact sheet

Free plan	Not verified
Paid from	Free
Governed metrics	Yes
Dimensions and joins	Yes
Row-level security	Not verified
Certified models	Not verified
Query API	Yes
Deployment model	Self_hosted
Deployment	Self-hosted
Platforms	Web
Support	Community, Docs
Built for	Mid-market, Enterprise (editorial estimate)
Integrations	50+ integrations: Apache Superset, Tableau, Jupyter, Hex, Census, Hightouch …
Pricing	Open source
Website	synmetrix.org
Facts checked	20 Sep 2026

Synmetrix integrations

Synmetrix lists 50+ integrations on its own site — the 12 named here are the ones its pages call out.

Apache Superset
Tableau
Jupyter
Hex
Census
Hightouch
Retool
DBeaver
Observable
Slack
Email
Webhooks

Alternatives to Synmetrix

See all Synmetrix alternatives →

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Featured on iTechGuides

Synmetrix is listed in our Semantic Layer 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