# Eclipse Mosquitto

- **Canonical URI:** https://www.vioscale.ai/software/eclipse-mosquitto
- **Category:** Realtime Messaging Infra
- **Homepage:** https://mosquitto.org
- **Also known as:** eclipse-mosquitto
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:27:55.927Z

## Vioscale score

**39.7 / 100**, confidence 16% (low). Computed 2026-09-01.

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 76.4 | 0.026 | 2 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 0 | 0.063 | 0 | ✓ |
| dev_activity | 36.1 | 0.094 | 3.4 | ✓ |
| release_cadence | 0 | 0.052 | 0 | - |
| security_posture | 5 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 0 | 0.042 | 0 | - |
| pricing_transparency | 25 | 0.084 | 2.1 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://mosquitto.org). Independently observed._

Open source · Free tier

## Platform & deployment

- **Platforms:** CLI, macOS, Linux, Windows
- **Deployment:** Self-hosted

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Feclipse-mosquitto%2Fmosquitto&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

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

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://mosquitto.org) | 2026-08-26 | 70% (medium) |
| pricing.free_tier | yes | [link](https://mosquitto.org) | 2026-08-19 | 60% (medium) |
| pricing.price_level | free | [link](https://mosquitto.org) | 2026-08-19 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://mosquitto.org) | 2026-08-19 | 60% (medium) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Feclipse-mosquitto%2Fmosquitto&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Feclipse-mosquitto%2Fmosquitto&per_page=100) | 2026-08-26 | 90% (high) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 13 | [link](https://github.com/eclipse-mosquitto/mosquitto/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 11,158 | [link](https://github.com/eclipse-mosquitto/mosquitto) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 0 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Feclipse-mosquitto%2Fmosquitto) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C | [link](https://github.com/eclipse-mosquitto/mosquitto) | 2026-08-26 | 90% (high) |

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