# Virtuoso

> Supercharge AI-Enhanced Data Harmonization and Management

- **Canonical URI:** https://www.vioscale.ai/software/virtuoso
- **Category:** Graph Databases
- **Homepage:** https://virtuoso.openlinksw.com/
- **Also known as:** virtuoso
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T21:44:25.289Z

## Vioscale score

**34.4 / 100**, confidence 40% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 6 | 480 | ✓ |
| reliability | 50 | 10 | 500 | ✓ |
| capabilities | 45.8 | 17 | 778.9 | ✓ |
| github_stars | 56.4 | 7 | 394.5 | ✓ |
| integrations | 22.4 | 8 | 179 | ✓ |
| github_activity | 0 | 20 | 0 | ✓ |
| release_cadence | 18.9 | 12 | 226.7 | ✓ |
| security_posture | 0 | 18 | 0 | - |
| package_downloads | 11.7 | 6 | 70.4 | ✓ |
| pricing_transparency | 75 | 8 | 600 | ✓ |
| stackoverflow_activity | 0 | 20 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://virtuoso.openlinksw.com/). Independently observed._

from $8/mo · Subscription

> From $99.99/year. Annual and monthly billing options.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Personal | $99.99/year or $8/month | - | annual |
| Developer | $199/year or $17/month | - | annual |
| Project | $499/year or $42/month | - | annual |
| Enterprise | Contact sales | - | - |

### Personal

**Included limits:** cpu_cores: 2, concurrent_sessions: 2

- OWL/RDFS + SPIN Reasoning and Inference
- ABAC Module for Enhanced Security
- Business Intelligence Module
- Replication Clustering
- ODBC Data Virtualization Module
- Column-Wise Storage

### Developer

**Included limits:** cpu_cores: 8, concurrent_sessions: 5

- OWL/RDFS + SPIN Reasoning and Inference
- ABAC Module for Enhanced Security
- Business Intelligence Module
- Replication Clustering
- ODBC Data Virtualization Module
- Column-Wise Storage

### Project

**Included limits:** cpu_cores: 16, concurrent_sessions: 5

- OWL/RDFS + SPIN Reasoning and Inference
- ABAC Module for Enhanced Security
- Business Intelligence Module
- Replication Clustering
- ODBC Data Virtualization Module
- Column-Wise Storage

### Enterprise (Contact sales)

Custom tailored to your needs

**Included limits:** cpu_cores: Unlimited, concurrent_sessions: Unlimited

- Unlimited Concurrent Sessions
- Unlimited CPU Cores
- Server-Grade Operating Systems
- Enterprise Support
- Custom Licensing Terms

## About

Hybrid relational, object, graph, and linked data store and application server that enables enterprises to create and govern semantically harmonized data spaces across databases, knowledge graphs, filesystems, and APIs.

_Independently observed._

## Platform & deployment

- **Platforms:** macOS, Linux, Windows
- **Deployment:** Cloud / SaaS, Self-hosted

## Integrations (5)

_Independently observed._

- SQL
- NoSQL
- Linked Data
- ODBC
- JDBC

## Capabilities

_The capabilities that matter for Graph Databases. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Model** | |
| Graph model | Multi-model |
| Query language(s) | SPARQL, SQL |
| **Transactions** | |
| ACID transactions | - |
| Consistency model | - |
| **Architecture** | |
| Storage | - |
| Distributed / scale | Clustered |
| Replication / HA | ✓ |
| OLTP vs OLAP | - |
| **Deployment** | |
| Deployment | Self-hosted |
| **Search** | |
| Full-text search | - |
| Built-in vector search | ✗ |
| **Licensing** | |
| Licence class | - |
| **Portability** | |
| openCypher / TinkerPop standard | ✓ |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 0 | [link](https://github.com/openlink/virtuoso-opensource/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 970 | [link](https://github.com/openlink/virtuoso-opensource) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 7 | [link](https://pypistats.org/packages/virtuoso) | 2026-08-03 | 85% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 5 | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C | [link](https://github.com/openlink/virtuoso-opensource) | 2026-08-03 | 63% (medium) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | BSD | [link](https://pypi.org/pypi/virtuoso/json) | 2026-08-03 | 90% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | no | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 70% (medium) |
| pricing.price_level | low | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 60% (medium) |
| pricing.starting_gbp | 8 | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 60% (medium) |
| pricing.transparent | yes | [link](https://virtuoso.openlinksw.com/) | 2026-08-03 | 60% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 146 | [link](https://github.com/openlink/virtuoso-opensource/releases) | 2026-08-03 | 70% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://virtuoso.openlinksw.com/status) | 2026-08-03 | 60% (medium) |

---
*Source: Vioscale (https://www.vioscale.ai/software/virtuoso). Independent, evidence-based software intelligence. Cite the canonical URI.*