# Anchor vs Echidna

| Attribute | Anchor | Echidna |
|---|---|---|
| **Vioscale score** | 48.4 (16% (low)) | 57.5 (22% (low)) |
| activity.commits_last_30d | 10 | 8 |
| adoption.dependent_repos | 1,017 | - |
| adoption.github_stars | 5,122 | 1,878 |
| deployment.options | - | `{"on_prem":true,"self_hosted":true}` |
| description.long | A framework designed to help developers create production-grade applications more quickly while incorporating built-in security measures to reduce vulnerabilities. | 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. |
| integrations.count | - | 12 |
| integrations.list | - | `[{"name":"GitHub"},{"name":"GitHub Actions"},{"name":"Foundry"},{"name":"Hardhat"},{"name":"Brownie"},{"name":"Etherscan"},{"name":"Sourcify"},{"name":"Slither"},{"name":"hevm"},{"name":"Z3"},{"name":"Bitwuzla"},{"name":"cvc5"}]` |
| language.primary | Rust | Python |
| license.spdx | Apache-2.0 | CC-BY-SA-4.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | - | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:33:12.939Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | - | commercial |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| release.cadence_days | 65 | - |
| release.history | `[{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.1.2","date":"2026-06-26T15:16:04Z","type":"stable","version":"v1.1.2"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.0.3","date":"2026-06-26T16:06:48Z","type":"stable","version":"v1.0.3"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.1.1","date":"2026-06-25T12:50:45Z","type":"stable","version":"v1.1.1"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.1.0","date":"2026-06-25T12:17:35Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.0.2","date":"2026-05-02T18:52:58Z","type":"stable","version":"v1.0.2"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.0.1","date":"2026-04-21T16:37:35Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v1.0.0","date":"2026-04-02T18:34:37Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.32.1","date":"2025-10-10T02:02:33Z","type":"stable","version":"v0.32.1"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.32.0","date":"2025-10-09T04:07:36Z","type":"stable","version":"v0.32.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.31.1","date":"2025-04-19T22:43:33Z","type":"stable","version":"v0.31.1"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.31.0","date":"2025-03-08T16:24:53Z","type":"stable","version":"v0.31.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.30.1","date":"2024-06-20T15:20:54Z","type":"stable","version":"v0.30.1"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.30.0","date":"2024-04-15T15:21:35Z","type":"stable","version":"v0.30.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.29.0","date":"2023-10-16T16:38:51Z","type":"stable","version":"v0.29.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.28.0","date":"2023-06-09T16:01:37Z","type":"stable","version":"v0.28.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.27.0","date":"2023-03-08T13:29:32Z","type":"stable","version":"v0.27.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.26.0","date":"2022-12-15T16:14:08Z","type":"stable","version":"v0.26.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.25.0","date":"2022-07-05T20:35:31Z","type":"stable","version":"v0.25.0"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.24.2","date":"2022-04-13T23:44:50Z","type":"stable","version":"v0.24.2"},{"url":"https://github.com/otter-sec/anchor/releases/tag/v0.24.1","date":"2022-04-12T22:51:00Z","type":"stable","version":"v0.24.1"}]` | - |
| security.scorecard | - | 7.5 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=anchor-attribute-event&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Smart Contract Tools)

| Capability | Anchor | Echidna |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Stack | - | - |
| Chain support | - | - |
| Local testnet | - | - |
| Mainnet forking | - | - |
| Fuzz testing | - | - |
| Invariant testing | - | - |
| Static analysis | - | - |
| Symbolic execution | - | - |
| Formal verification | - | - |
| Gas profiling | - | - |
| Tx simulation debugging | - | - |
| Upgrade proxy tooling | - | - |
| Multisig transaction ops | - | - |
| Ide editor plugin | - | - |
| Deployment | - | - |

*Source: Vioscale. Generated 2026-09-01T17:09:05.944Z. "-" = undocumented, not absent.*