# Hardhat vs OpenZeppelin Contracts

| Attribute | Hardhat | OpenZeppelin Contracts |
|---|---|---|
| **Vioscale score** | 54.7 (17% (low)) | 32 (18% (low)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | 36,669 | - |
| adoption.github_stars | 8,506 | 205 |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | A tooling platform that streamlines Ethereum development by providing testing frameworks for Solidity and TypeScript, multi-chain network simulation, and a plugin-based architecture for extending functionality and integrating external tools. | Provides battle-tested smart contract code implementing ERC standards and security best practices for blockchain development, supporting Solidity, Cairo, Stellar, Sui, and other platforms. |
| features.capabilities | - | `{"open_source":true,"tooling_type":"contract-library","maintenance_status":"active","evm_compatible_only":false}` |
| integrations.count | 3 | - |
| integrations.list | `[{"name":"Optimism OP Stack"},{"name":"Base"},{"name":"Mocha"}]` | - |
| language.primary | TypeScript | - |
| license.spdx | - | AGPL-3.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | - | `{"type":"free","plans":[{"free":true,"name":"Open Source","description":"Free access to OpenZeppelin Contracts library","contactSales":false}],"summary":"Free and open source","freeTier":true,"sourceUrl":"https://www.openzeppelin.com/contracts","retrievedAt":"2026-08-21T13:46:48.699Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | - | commercial |
| pricing.price_level | - | free |
| release.history | `[{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%403.14.0","date":"2026-08-20T19:25:01Z","type":"stable","version":"hardhat@3.14.0"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-utils%404.1.8","date":"2026-08-20T19:18:29Z","type":"stable","version":"@nomicfoundation/hardhat-utils@4.1.8"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-slang-solx%403.0.1","date":"2026-08-20T19:18:30Z","type":"stable","version":"@nomicfoundation/hardhat-slang-solx@3.0.1"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%402.29.1","date":"2026-08-18T14:46:28Z","type":"stable","version":"hardhat@2.29.1"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-errors%403.0.20","date":"2026-08-13T17:43:54Z","type":"stable","version":"@nomicfoundation/hardhat-errors@3.0.20"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%403.13.0","date":"2026-08-12T19:06:13Z","type":"stable","version":"hardhat@3.13.0"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-zod-utils%403.0.6","date":"2026-08-12T18:49:01Z","type":"stable","version":"@nomicfoundation/hardhat-zod-utils@3.0.6"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-keystore%403.0.13","date":"2026-08-12T18:49:03Z","type":"stable","version":"@nomicfoundation/hardhat-keystore@3.0.13"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-errors%403.0.19","date":"2026-08-12T18:49:00Z","type":"stable","version":"@nomicfoundation/hardhat-errors@3.0.19"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%403.12.0","date":"2026-07-30T19:16:04Z","type":"stable","version":"hardhat@3.12.0"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/ignition-core%403.1.9","date":"2026-07-30T19:02:32Z","type":"stable","version":"@nomicfoundation/ignition-core@3.1.9"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-verify%403.0.22","date":"2026-07-30T19:02:31Z","type":"stable","version":"@nomicfoundation/hardhat-verify@3.0.22"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-utils%404.1.7","date":"2026-07-30T19:02:26Z","type":"stable","version":"@nomicfoundation/hardhat-utils@4.1.7"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-node-test-runner%403.1.0","date":"2026-07-30T19:02:30Z","type":"stable","version":"@nomicfoundation/hardhat-node-test-runner@3.1.0"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-node-test-reporter%403.1.1","date":"2026-07-30T19:02:25Z","type":"stable","version":"@nomicfoundation/hardhat-node-test-reporter@3.1.1"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-mocha%403.1.0","date":"2026-07-30T19:02:29Z","type":"stable","version":"@nomicfoundation/hardhat-mocha@3.1.0"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-errors%403.0.18","date":"2026-07-30T19:02:27Z","type":"stable","version":"@nomicfoundation/hardhat-errors@3.0.18"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%403.11.1","date":"2026-07-23T16:32:02Z","type":"stable","version":"hardhat@3.11.1"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/%40nomicfoundation/hardhat-utils%404.1.6","date":"2026-07-23T16:26:36Z","type":"stable","version":"@nomicfoundation/hardhat-utils@4.1.6"},{"url":"https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%402.29.0","date":"2026-07-21T09:43:37Z","type":"stable","version":"hardhat@2.29.0"}]` | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=hardhat&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Blockchain Dev Tools)

| Capability | Hardhat | OpenZeppelin Contracts |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Tooling type | - | Contract library |
| Evm compatible only | - | ✗ |
| Local dev network | - | - |
| Native fuzzing invariant testing | - | - |
| Mainnet forking | - | - |
| Contract verification integration | - | - |
| Trace debugger | - | - |
| Gas profiling | - | - |
| Archive node access | - | - |
| Graphql indexing | - | - |
| Static analysis security tool | - | - |
| Open source | - | ✓ |
| Maintenance status | - | Active |

*Source: Vioscale. Generated 2026-09-01T17:34:12.508Z. "-" = undocumented, not absent.*