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Virtuoso Enterprise Edition, client and server: choose an operating system, its version and a Virtuoso version.
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Virtuoso
Loosely coupling AI and data spaces — without compromise.
One engine, governed by you, that lets agents built on MCP, LLMs, and enterprise apps query SQL, knowledge graphs, files, and APIs — harmonized, access-controlled, never duplicated.
High Performance
Experience unparalleled speed and efficiency in data processing and queries.
- Vectored execution
- Column-wise data storage, with data compression
- Parallelized SQL query execution
- Intelligent query optimization
Universal Connectivity
Connect and integrate diverse data sources including SQL, NoSQL, and Linked Data.
- Open standards: HTTP, ODBC, JDBC, SQL, SPARQL, GraphQL
- Linked Data Views over native SQL and external data sources
- Web services to RDF Linked Data
Scalable & Secure
Built for enterprise-grade scalability and robust security for your critical data.
- High-availability clustering via replication
- Network-based query parallelization
- Distributed transactions with two-phase commit
- Attribute-based access controls and encryption at rest
Replication clustering, attribute-based access controls, encryption at rest and RDF Views over external sources are Commercial Edition features; see the edition comparison matrix.
One engine, five capabilities converged#
Data Spaces management isn't a feature Virtuoso added on top of a database. A multi-model DBMS, a knowledge base, an HTTP application server, a document/file server, and a data-virtualization layer have shared one transaction manager, one security model, and one query engine since day one — not five products glued together at the API.
Multi-Model DBMS
Relational tables, property graphs, and document collections in one transactional engine — one backup, one security model, no sync job keeping them consistent.
Knowledge Base / Graph
A native RDF quad store with SPARQL 1.1, built-in inference, and full-text search — not a triple store bolted on beside the database.
HTTP Application Server
An integrated web and application server runs directly against the data engine — pages, REST endpoints, and SOAP services with no separate app-server tier to deploy or patch.
Document / File Server
A built-in, ACL'd, versioned file and document store lives alongside your structured and graph data — queryable, not just hosted.
Data Virtualization
External SQL, NoSQL, and API sources map in as virtual tables or RDF Views — federated into the same queryable layer without copying them out of the systems that already own them.
Built for your role#
Virtuoso Universal Server delivers tailored capabilities for every data professional.
Build smarter apps on a unified data platform
Build and ship applications against SQL, SPARQL, and REST endpoints from a single hybrid data engine with open standards, extensive tooling, and scalable deployment.
Connect complex systems efficiently
Integrate heterogeneous data spaces (databases, knowledge bases, filesystems, and APIs), streamline information flow across platforms, and reduce friction in complex enterprise data environments.
Deliver better analytical insight
Unify governed data across sources, improve context for reporting and dashboards, and support more consistent enterprise decision-making.
Unify enterprise data architecture
Connect siloed data, model shared meaning across systems, and create a scalable foundation for analytics, AI, and interoperability.
Build knowledge graphs with confidence
Model, query, and manage semantic data at scale for knowledge graphs that support discovery, reasoning, and enterprise-wide reuse.
Govern data with shared context
Link data, definitions, and stewardship processes in a trusted layer that improves consistency, accountability, and policy alignment.
Improve sourcing visibility and control
Connect supplier, contract, and policy data for better transparency, stronger governance, and more informed sourcing decisions.
Powerful Security, Observability, and Auditability
Construct and deploy fine-grained, attribute-based access control (ABAC), informed by an ontology, to enforce data, information, and knowledge access policies that constrain both humans and AI agents operating on their behalf.
Connect research and knowledge assets
Organize linked research data, metadata, and digital collections in a semantic environment built for discovery, reuse, and interoperability.
What “loosely coupled” gets you in production#
Every claim in the headline maps to a shipped capability — not a roadmap item.
Agent Skills without a rewrite
- Agents call stored procedures, external APIs, and MCP-enabled systems as composable skills
- No new integration layer to build or maintain
Agent identity, separate from yours
- Fine-grained access control constrains what an agent can see and do
- Independent of the human it's acting for
Harmonization, not migration
- Tables, graphs, files, and APIs mapped into one semantic model in place
- Nothing copied or re-platformed to be queried together
Session data stays user-owned
- Session state can dereference to a user's own Pod
- Agent interactions don't quietly become another system of record
Three steps, no data movement#
The same server, a different entry point#
Five roles, one engine underneath — each gets a different reason to care.
Knowledge Graph Architect
Ship a knowledge graph agents can actually use — native reasoning and identity reconciliation built in, not bolted on.
Data Integration Engineer
Map tables and APIs into the graph once, with R2RML, instead of maintaining N point-to-point ETL jobs per consumer.
Governance Practitioner
Enforce ABAC rules once, centrally, and have every SQL, SPARQL, and REST caller — human or agent — obey them identically.
Developer
Query the same harmonized layer through SQL, SPARQL, or GraphQL — pick the query language that fits the app, not the data silo.
Enterprise Architect
Deploy on-prem, or in the cloud via the AWS and Azure marketplaces (pay-as-you-go or bring your own license) — one engine to govern instead of a sprawl of point connectors.
Key Features & Business Impact#
Discover how Virtuoso's advanced features deliver measurable business value.
The key features could not be loaded just now. In the meantime, see the edition comparison matrix or the Virtuoso documentation.
Business impact
Virtuoso Edition Comparison Matrix#
Compare features across different Virtuoso editions to find the perfect fit for your needs.
The comparison could not be loaded just now. In the meantime, see the Virtuoso documentation.
Get Started in Minutes#
Choose your platform and follow our step-by-step installation guides.
Also available via Nexus Repository for Linux environments.
Flexible Pricing & Deployment#
Choose the deployment model that fits your infrastructure and budget: on-premise (installers or Docker containers, the same licenses), or on any of the three major clouds, each with pay-as-you-go (PAGO) or bring-your-own-license (BYOL) options.
On-Premise (Installers)
Full control: install Virtuoso natively on your own infrastructure (Linux/Unix, Windows or macOS); see the installation guides above.
Personal
For individual use on a workstation.
- 2 Concurrent Sessions
- 2 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $8 per month equivalent
$99.99/yr
Developer
For application development against a wider core count.
- 5 Concurrent Sessions
- 8 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $17 per month equivalent
$199/yr
Project
For project work needing the full workstation core count.
- 5 Concurrent Sessions
- 16 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $42 per month equivalent
$499/yr
Need More?
Tailored to your needs.
- Unlimited Concurrent Sessions
- Unlimited CPU Cores
- Server-Grade Operating Systems
- Enterprise Support
- Custom Licensing Terms
Custom
Prices are those published at virtuoso.openlinksw.com at time of writing. Confirm current pricing before purchase.
On-Premise (Docker Containers)
The same licenses, bring-your-own-license (BYOL), applied to the Docker installation. See the Docker installation guide.
Personal
For individual use on a workstation.
- 2 Concurrent Sessions
- 2 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $8 per month equivalent
$99.99/yr
Developer
For application development against a wider core count.
- 5 Concurrent Sessions
- 8 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $17 per month equivalent
$199/yr
Project
For project work needing the full workstation core count.
- 5 Concurrent Sessions
- 16 CPU Core Affinity
- Linux, Windows, macOS Workstation
- $42 per month equivalent
$499/yr
Need More?
Tailored to your needs.
- Unlimited Concurrent Sessions
- Unlimited CPU Cores
- Server-Grade Operating Systems
- Enterprise Support
- Custom Licensing Terms
Custom
Prices are those published at virtuoso.openlinksw.com at time of writing. Confirm current pricing before purchase.
Amazon Web Services
Virtuoso on Amazon Web Services comes in two categories: virtual machines (AMIs) that you run yourself, and a managed SaaS that OpenLink runs for you.
Virtual Machines (AMIs)
Virtuoso as a pre-configured Amazon Machine Image on an instance in your AWS account: pay-as-you-go (PAGO), or bring your own license (BYOL).
Pay-As-You-Go (PAGO)
Cloud-hosted Virtuoso Enterprise Edition as an Amazon Machine Image: an unlimited license with CPU Affinity pegged to the host instance type, so cost rises with CPU Affinity for an unrestricted number of users or connections.
- Virtuoso 08.03.3335 on Ubuntu 24.04 (64-bit x86 AMI)
- $0.348/hour on r5.xlarge (recommended), up to $7.10/hour on x1e.32xlarge
- 365-day contract: save up to 35%
- AWS infrastructure costs may apply
From $0.348/hour
Bring Your Own License (BYOL)
Virtuoso as a pre-configured Amazon Machine Image. Pricing and entitlements are managed outside AWS Marketplace: you activate it with a license purchased from OpenLink, and AWS provides the infrastructure.
- Virtuoso 08.03.3335 on Ubuntu 24.04 (64-bit x86 AMI)
- License bought outside AWS Marketplace; cancelling the subscription does not affect it
- AWS infrastructure costs may apply
BYOL
Managed SaaS
Virtuoso SaaS Single Server: OpenLink provisions, operates and supports a dedicated single-server Virtuoso instance. Choose a 12, 24 or 36-month contract. Prices start with the Developer size and rise with larger sizes, all on the AWS Marketplace listing.
12-Month Contract
Virtuoso SaaS Single Server: a managed, dedicated single-server Virtuoso instance that you provision and manage from the Virtuoso Buyer Portal, with HTTPS and TLS SQL access, backups and lifecycle operations. OpenLink operates and supports it.
- Starts with the Developer size; larger sizes are on the AWS Marketplace listing
- Standard OpenLink support and managed service maintenance included
- Extra storage $0.50 per GB-month; extra data transfer $0.10 per GB
- Additional AWS infrastructure costs may apply
From $1,393for 12 months
24-Month Contract
The same managed Virtuoso SaaS Single Server on a 24-month contract, paid up front or in installments under your contract terms.
- Starts with the Developer size; larger sizes are on the AWS Marketplace listing
- Standard OpenLink support and managed service maintenance included
- Extra storage $0.50 per GB-month; extra data transfer $0.10 per GB
- Additional AWS infrastructure costs may apply
From $2,632for 24 months
36-Month Contract
The same managed Virtuoso SaaS Single Server on a 36-month contract, paid up front or in installments under your contract terms.
- Starts with the Developer size; larger sizes are on the AWS Marketplace listing
- Standard OpenLink support and managed service maintenance included
- Extra storage $0.50 per GB-month; extra data transfer $0.10 per GB
- Additional AWS infrastructure costs may apply
From $3,715for 36 months
Prices are those listed on the AWS Marketplace at time of writing; cloud infrastructure charges are separate. Confirm current pricing on the listing before purchase.
Microsoft Azure
Two ways to run Virtuoso on Microsoft Azure: pay-as-you-go (PAGO), or bring your own license (BYOL).
Pay-As-You-Go (PAGO)
Cloud-hosted Pay-As-You-Go edition as a virtual machine: an unlimited license with CPU Affinity pegged to the host VM instance type, so cost rises with CPU Affinity for an unrestricted number of users or connections.
- Virtuoso 08.03.3335 on Ubuntu 24.04 (virtual machine)
- $0.348/hour plus Azure infrastructure costs
- Costs vary by deployment region
From $0.348/hour
Bring Your Own License (BYOL)
Virtuoso delivered as a pre-installed, pre-configured virtual machine. It requires a product license acquired beforehand: entry-level licenses are sold online (see the On-Premise tabs), or contact your account manager.
- Virtuoso 08.03.3335 on Ubuntu 24.04 (virtual machine)
- Bring your own license
- Plus Azure infrastructure costs; these vary by deployment region
BYOL
Prices are those listed on the Azure Marketplace at time of writing; cloud infrastructure charges are separate. Confirm current pricing on the listing before purchase.
Google Cloud
Two ways to run Virtuoso on Google Cloud: pay-as-you-go (PAGO), or bring your own license (BYOL).
Pay-As-You-Go (PAGO)
Virtuoso as a pay-as-you-go virtual machine on Google Compute Engine. The license fee follows the number of vCPUs of the VM you instantiate, and the configuration can be changed when deploying.
- Virtuoso on Ubuntu, single VM (x86_64)
- License fee shown for the default 2 vCPU, 8 GB VM (n2d-standard-2)
- Infrastructure about $52.88/month on top, for a total of about $306.92/month (Central US, 50 GB SSD, after sustained use discount)
- New Google Cloud customers may be eligible for a free trial
$254.04/month
Bring Your Own License (BYOL)
Virtuoso as a virtual machine on Google Compute Engine. A valid license is required: you buy and manage it with OpenLink Software, and it is priced by concurrent connections and the logical processors of the environment.
- Virtuoso on Ubuntu, single VM (x86_64)
- License fee varies; Google does not collect it
- Infrastructure about $52.88/month for the default 2 vCPU, 8 GB VM (Central US, 50 GB SSD, after sustained use discount)
- New Google Cloud customers may be eligible for a free trial
BYOL
Prices are those listed on the Google Cloud Marketplace at time of writing; cloud infrastructure charges are separate. Confirm current pricing on the listing before purchase.
Frequently Asked Questions#
Find answers to common questions about Virtuoso.
The questions could not be loaded just now. In the meantime, see the Virtuoso documentation.
Virtuoso, OPAL, and LOAM, working as one#
VOICE (Virtuoso Open Interoperable Context Engine) pairs federated data access and semantic context with an agent harness and persistent memory (LOAM, Linked Open Agent Memory), so any agent and any LLM can work across the Data Spaces you already have.
Ready when your data is
Give your agents a governed way in#
Deploy on-prem, or in the cloud via the AWS and Azure marketplaces (pay-as-you-go or bring your own license) — start querying real data spaces today.