# Echidna

- **Canonical URI:** https://www.vioscale.ai/software/echidna
- **Category:** Smart Contract Tools
- **Homepage:** https://github.com/crytic/echidna
- **Also known as:** echidna
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:32:17.677Z

## Vioscale score

**57.5 / 100**, confidence 22% (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 | 61.8 | 0.026 | 1.6 | ✓ |
| integrations | 32 | 0.09355555555555557 | 3 | ✓ |
| dependent_projects | 0 | 0.063 | 0 | - |
| dev_activity | 30 | 0.094 | 2.8 | ✓ |
| release_cadence | 0 | 0.052 | 0 | - |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 75 | 0.042 | 3.2 | ✓ |
| pricing_transparency | 80 | 0.084 | 6.7 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

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

Open source · Free tier

> Free and open source

## About

An open-source security tool that systematically tests Ethereum smart contracts by generating diverse inputs to uncover edge cases and potential bugs. It integrates into development workflows, provides code coverage analysis, and supports multiple contract frameworks and testing modes.

_Independently observed._

## Platform & deployment

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

## Integrations (12)

_Independently observed._

- GitHub
- GitHub Actions
- Foundry
- Hardhat
- Brownie
- Etherscan
- Sourcify
- Slither
- hevm
- Z3
- Bitwuzla
- cvc5

## 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 | 12 | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://github.com/pricing) | 2026-08-19 | 75% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.price_level | free | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.transparent | yes | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.model | commercial | [link](https://github.com/crytic/echidna) | 2026-08-26 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 8 | [link](https://github.com/trailofbits/publications/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 1,878 | [link](https://github.com/trailofbits/publications) | 2026-08-26 | 90% (high) |

### language

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

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | CC-BY-SA-4.0 | [link](https://github.com/trailofbits/publications) | 2026-08-26 | 95% (high) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 7.5 | [link](https://api.securityscorecards.dev/projects/github.com/trailofbits/publications) | 2026-08-26 | 90% (high) |

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