Overview

Denodo Platform is an enterprise data layer for connecting distributed information and serving it through shared business definitions and governance. It suits organizations that need to combine data across systems without making replication their only integration strategy. Its breadth is a strength for complex data estates, but custom pricing and capacity-based tiers make it less compelling for small, narrowly scoped needs.

Founded in 1999, Denodo supports cloud-hosted and self-hosted deployment. Teams can expose data through SQL and standard APIs while choosing how much to federate, cache, materialize, replicate, or stream.

Key features

Multiple ways to integrate

Denodo connects to more than 200 data sources and supports SQL, REST, GraphQL, and other standard APIs. Real-time federation can keep access close to operational data; selective materialization and caching offer other ways to balance performance and freshness, while full replication through ETL, ELT, or micro-batching and streaming support different integration patterns. That flexibility is useful when workloads vary, though it brings more architectural choices than a team seeking only a single-purpose query engine may need.

Query optimization and pushdown processing are intended to reduce unnecessary data movement. Denodo's zero-copy approach can limit dependence on replicated copies, but it does not require a zero-copy design: full replication remains an option.

Shared meaning and controls

A shared semantic layer and enterprise knowledge graph bring definitions, metrics, relationships, and metadata together. This can give consumers a common interpretation of data across systems rather than leaving each team to rebuild business context. Governance includes row-level security, masking, identity-aware policies, lineage, and auditability, making the platform relevant where access controls and traceability matter as much as connectivity.

AI capabilities and release 9.5

An AI-powered assistant offers recommendations and natural-language queries, and retrieval-augmented generation support is aimed at context-rich GenAI applications. Platform 9.5 adds governed metric views, conversational data-view development, an expanded knowledge graph, and connectors for Databricks, Microsoft OneLake, Fabric Lakehouse, and Iceberg. These additions strengthen the semantic and AI-facing side of the product, but they do not remove the need to plan capacity and integration architecture.

Security and administration

Denodo says it renewed its ISO/IEC 27001:2022 certification and audits compliance with those obligations at least annually. Administration tools and Data Marketplace support the latest three major versions of Chrome, Firefox, and Edge. Installation guidance covers Windows Server 2016, 2019, and 2022; Windows 10 and 11; and Linux distributions including Ubuntu, Amazon Linux, CentOS, RHEL, Oracle Linux, and SUSE Linux Enterprise.

Pricing

Denodo offers a free Developer plan and paid plans with custom pricing. The separate Test Drive provisions a cloud environment for two hours after registration, and users can register again for another two-hour environment.

Plan	Capacity and availability	Support	Best fit
Developer — 0.00 USD per free	Single server, 4 cores, 50 data products, 2.5 TB/year	Community	Individual evaluation or a small development starting point
Team — custom pricing	Single server with optional active-passive failover, 8 cores, 100 data products, 7.5 TB/year or 625 GB/month	Standard	Teams needing more capacity and an optional failover setup
Business Critical — custom pricing	Clustering, 48 cores, 750 data products, 75 TB/year or 6.25 TB/month	Premium	Deployments needing the largest listed product and throughput allowances
High Availability — custom pricing	Clustering, 16 cores, 225 data products, 25 TB/year or 2 TB/month	Premium	Deployments prioritizing clustering with mid-tier listed capacity

All four plans include unlimited data sources, consumers, and Data Marketplace users. The free Developer tier is a useful entry point, but its 4-core server, 50-product allowance, 2.5 TB annual allowance, and community support distinguish it from the larger paid tiers. Team increases those limits and adds standard support; the two clustered plans provide premium support, with Business Critical carrying substantially higher listed capacity than High Availability. Paid-plan prices require a request, so buyers should compare the capacity and support package with their own workload before committing.

Platforms

Denodo supports API access, Linux, Windows, web use, and self-hosted deployment, as well as cloud hosting. SQL querying, query-result caching, row-level security, and scheduled queries are supported. This mix suits organizations that need deployment choice across infrastructure, though browser access is tied to the supported major versions of Chrome, Firefox, and Edge.

Who it's for

Denodo is best suited to organizations bringing together data from many systems that need governed, shared access for applications and consumers. It is particularly relevant when teams want to combine live federation with selective caching or materialization, and need common metrics, lineage, and fine-grained controls. Smaller projects can begin with Developer, but those needing more than its capacity or stronger support will need a paid tier. Buyers looking for a simple, fixed-price tool or a small standalone query layer should consider a narrower alternative.

Pros and cons

Pros: More than 200 connectors and several integration methods let teams fit data access to different workloads.
Pros: The semantic layer, knowledge graph, and governance controls connect shared meaning with access policy and auditability.
Pros: A free Developer plan and a dataset-based cloud trial provide ways to evaluate the platform before choosing a paid tier.
Cons: Paid plans use custom pricing, which makes budget comparison less direct.
Cons: Developer is capped at 4 cores, 50 data products, and 2.5 TB/year, with community support, so it is not a substitute for a larger supported deployment.
Cons: The breadth of integration methods and capacity tiers may be unnecessary overhead for buyers with a narrow query or federation requirement.

Alternatives

Choose Enterprise Enabler if its API, Linux, macOS, self-hosted, web, and Windows platform coverage better matches your environment; Stone Bond Technologies says it has developed the product since its founding in 2002.

Stardog is a freemium option with a free plan capped at 1 million stored edges and 3 databases, a renewable one-year license, and community support. Consider it when those stated limits suit the project.

Apache Drill is a free option under Apache License 2.0, with downloadable software for embedded or cluster deployment. It suits readers who want that license and deployment model rather than Denodo's paid capacity tiers.

Teradata VantageCloud is a freemium alternative with a free plan and free trial; consider it when you want to evaluate that option's cloud-oriented offering.

Starburst Galaxy offers a free-forever plan with up to 3 clusters and standard execution for ad hoc queries. It is worth considering for that stated free query use case.

Trino is free, open source under Apache License 2.0, and self-managed, so it is a better fit for teams seeking that deployment model.

PlyDB and QoreDB are alternatives for readers considering Windows, macOS, or Linux platform coverage.

Browse Data Federation Software, Data Fabric Software, Query Engine Software, and Data Virtualization Software for more options by category.

Verdict

Denodo Platform is a strong choice for organizations that need a governed data layer spanning many sources, with shared business definitions and freedom to mix federation, caching, materialization, replication, and streaming. Its free Developer tier and cloud trial offer practical evaluation paths. Look elsewhere if a predictable published price, a very small footprint, or a simpler single-purpose query tool matters more than that breadth.

	Denodo Platform	Starburst Galaxy
Free plan	Yes	Yes
Free trial	Yes	Yes
Paid from	Free	Free
Open source	No	No
Platforms	api, Linux, self-hosted, Web, Windows	api, Linux, Web
Free plan	No	Yes

Denodo Platform vs Starburst Galaxy

Denodo Platform

Starburst Galaxy