# JanusGraph

> Distributed, open source, massively scalable graph database

- **Canonical URI:** https://www.vioscale.ai/software/janusgraph
- **Category:** Graph Databases
- **Homepage:** https://janusgraph.org
- **Also known as:** janusgraph
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-01T21:23:33.356Z

## Vioscale score

**52.9 / 100**, confidence 36% (low).

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 6 | 600 | ✓ |
| reliability | 50 | 10 | 500 | ✓ |
| capabilities | 45.8 | 17 | 778.9 | ✓ |
| github_stars | 71 | 7 | 497.1 | ✓ |
| integrations | 37.4 | 8 | 299.3 | ✓ |
| github_activity | 31.5 | 20 | 629.6 | ✓ |
| release_cadence | 58.9 | 12 | 706.7 | ✓ |
| security_posture | 0 | 18 | 0 | - |
| package_downloads | 0 | 6 | 0 | - |
| pricing_transparency | 80 | 8 | 640 | ✓ |
| stackoverflow_activity | 0 | 20 | 0 | - |

## Pricing

_As of 2026-08-01, [verify at source](https://janusgraph.org). Independently observed._

Open source · Free tier

> Fully open source. No commercial licenses required.

## About

JanusGraph is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. All functionality is free under the Apache 2 license.

_Independently observed._

## Platform & deployment
- **Deployment:** On-premise, Self-hosted

## Integrations (7)

_Independently observed._

- Apache Cassandra
- Apache HBase
- Google Cloud Bigtable
- Elasticsearch
- Apache Spark
- DynamoDB
- FoundationDB

## Capabilities

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

| Capability | Supported |
|---|:--:|
| **Model** | |
| Graph model | Property graph |
| Query language(s) | Gremlin |
| **Transactions** | |
| ACID transactions | Full |
| Consistency model | Tunable |
| **Architecture** | |
| Storage | Pluggable backend |
| Distributed / scale | Clustered |
| Replication / HA | ✓ |
| OLTP vs OLAP | Both |
| **Deployment** | |
| Deployment | Self-hosted |
| **Search** | |
| Full-text search | Via index |
| Built-in vector search | ✗ |
| **Licensing** | |
| Licence class | Permissive OSS |
| **Portability** | |
| openCypher / TinkerPop standard | ✓ |

## Facts

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

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 19 | [link](https://janusgraph.org) | 2026-08-01 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 9 | [link](https://github.com/JanusGraph/janusgraph/pulse) | 2026-08-01 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 5,817 | [link](https://github.com/JanusGraph/janusgraph) | 2026-08-01 | 90% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Java | [link](https://github.com/JanusGraph/janusgraph) | 2026-08-01 | 90% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://janusgraph.org) | 2026-08-01 | 60% (medium) |
| pricing.model | commercial | [link](https://janusgraph.org) | 2026-08-01 | 70% (medium) |
| pricing.price_level | free | [link](https://janusgraph.org) | 2026-08-01 | 60% (medium) |
| pricing.transparent | yes | [link](https://janusgraph.org) | 2026-08-01 | 60% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 74 | [link](https://github.com/JanusGraph/janusgraph/releases) | 2026-08-01 | 70% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://janusgraph.org/status) | 2026-08-01 | 60% (medium) |

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