# ESP-IDF

- **Canonical URI:** https://www.vioscale.ai/software/esp-idf
- **Category:** Embedded IOT Dev
- **Homepage:** https://idf.espressif.com
- **Also known as:** esp-idf
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:16:10.242Z

## Vioscale score

**42.6 / 100**, confidence 28% (low). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 0 | 0.07844444444444446 | 0 | - |
| repo_stars | 80.7 | 0.026 | 2.1 | ✓ |
| integrations | 8.7 | 0.07033333333333334 | 0.6 | ✓ |
| dependent_projects | 5 | 0.063 | 0.3 | ✓ |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 89.4 | 0.052 | 4.7 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 28 | 0.042 | 1.2 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## About

A production-grade development kit for Espressif system-on-chip platforms that offers consistent APIs and tooling across different chip variants. Supports building applications ranging from sensor prototypes to Matter-certified devices and AI-powered edge systems.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, macOS, Linux, Windows

## Integrations (1)

_Independently observed._

- CLion

## Release history

| Version | Date | Type |
|---|---|---|
| [v6.1-rc1](https://github.com/espressif/esp-idf/releases/tag/v6.1-rc1) | 2026-08-18 | prerelease |
| [v5.5.5](https://github.com/espressif/esp-idf/releases/tag/v5.5.5) | 2026-07-17 | stable |
| [v6.1-beta1](https://github.com/espressif/esp-idf/releases/tag/v6.1-beta1) | 2026-06-29 | prerelease |
| [v6.0.2](https://github.com/espressif/esp-idf/releases/tag/v6.0.2) | 2026-06-29 | stable |
| [v5.2.7](https://github.com/espressif/esp-idf/releases/tag/v5.2.7) | 2026-05-19 | stable |
| [v6.0.1](https://github.com/espressif/esp-idf/releases/tag/v6.0.1) | 2026-04-27 | stable |
| [v5.4.4](https://github.com/espressif/esp-idf/releases/tag/v5.4.4) | 2026-04-17 | stable |
| [v5.5.4](https://github.com/espressif/esp-idf/releases/tag/v5.5.4) | 2026-03-27 | stable |
| [v5.3.5](https://github.com/espressif/esp-idf/releases/tag/v5.3.5) | 2026-03-24 | stable |
| [v6.0](https://github.com/espressif/esp-idf/releases/tag/v6.0) | 2026-03-20 | stable |
| [v6.0-rc1](https://github.com/espressif/esp-idf/releases/tag/v6.0-rc1) | 2026-03-13 | prerelease |
| [v5.5.3](https://github.com/espressif/esp-idf/releases/tag/v5.5.3) | 2026-02-18 | stable |
| [v6.0-beta2](https://github.com/espressif/esp-idf/releases/tag/v6.0-beta2) | 2026-01-30 | prerelease |
| [v5.1.7](https://github.com/espressif/esp-idf/releases/tag/v5.1.7) | 2026-01-27 | stable |
| [v5.5.2](https://github.com/espressif/esp-idf/releases/tag/v5.5.2) | 2025-12-25 | stable |

_… and 5 earlier release(s)._

## 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%2Fespressif%2Fesp-idf&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.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/espressif/esp-idf/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 18,875 | [link](https://github.com/espressif/esp-idf) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 1 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fespressif%2Fesp-idf) | 2026-08-26 | 85% (high) |

### language

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

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/espressif/esp-idf) | 2026-08-26 | 95% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 19 | [link](https://github.com/espressif/esp-idf/releases) | 2026-08-26 | 70% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 1 | [link](https://idf.espressif.com) | 2026-08-20 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 2.8 | [link](https://api.securityscorecards.dev/projects/github.com/espressif/esp-idf) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fespressif%2Fesp-idf&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fespressif%2Fesp-idf&per_page=100) | 2026-08-26 | 90% (high) |

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