# Foundry vs Hardhat

| Attribute | Foundry | Hardhat |
|---|---|---|
| **Vioscale score** | 57 (16% (low)) | 54.7 (17% (low)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 1 | 36,669 |
| adoption.github_stars | 10,568 | 8,506 |
| description.long | A toolkit for building, testing, and interacting with Ethereum smart contracts. It provides command-line tools for rapid development, testing, and deployment, including automatic documentation generation from Solidity source code. | 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. |
| integrations.count | - | 3 |
| integrations.list | - | `[{"name":"Optimism OP Stack"},{"name":"Base"},{"name":"Mocha"}]` |
| language.primary | Rust | TypeScript |
| license.spdx | Apache-2.0 | - |
| platform.support | `{"cli":true,"mac":true,"linux":true}` | - |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://getfoundry.sh","retrievedAt":"2026-08-20T16:32:06.651Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | free | - |
| pricing.price_level | free | - |
| release.cadence_days | 1 | - |
| release.history | `[{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-8e47a24a36283247c57fd735d1e6db961ca5efc1","date":"2026-08-26T07:32:58Z","type":"prerelease","version":"nightly-8e47a24a36283247c57fd735d1e6db961ca5efc1"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-879053163b1f82fd5ac381b68ad891ab2091e958","date":"2026-08-25T07:14:51Z","type":"prerelease","version":"nightly-879053163b1f82fd5ac381b68ad891ab2091e958"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-8bb78aeceda2eca7837d385e4f5bd39d6fc8bc71","date":"2026-08-24T07:14:45Z","type":"prerelease","version":"nightly-8bb78aeceda2eca7837d385e4f5bd39d6fc8bc71"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-e469863b1ac3f2d9d48f9d25d068a14861060cb3","date":"2026-08-22T09:37:39Z","type":"prerelease","version":"nightly-e469863b1ac3f2d9d48f9d25d068a14861060cb3"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-2a5df2c4d8123a8b9df63a848c146a6085426c27","date":"2026-08-23T07:12:59Z","type":"prerelease","version":"nightly-2a5df2c4d8123a8b9df63a848c146a6085426c27"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-269c725512d1c0fad024e78d0b8edcf9a4f05105","date":"2026-08-21T07:10:54Z","type":"prerelease","version":"nightly-269c725512d1c0fad024e78d0b8edcf9a4f05105"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-af70ca286b7c0a5d16163ff43b311af01bf176d3","date":"2026-08-20T07:21:28Z","type":"prerelease","version":"nightly-af70ca286b7c0a5d16163ff43b311af01bf176d3"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-423ac0d4080830fd2ec6ea52175b323a095973e9","date":"2026-08-19T09:10:49Z","type":"prerelease","version":"nightly-423ac0d4080830fd2ec6ea52175b323a095973e9"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-30422fdee6d150eb05e63be4d9372171c4ed728a","date":"2026-08-18T08:16:06Z","type":"prerelease","version":"nightly-30422fdee6d150eb05e63be4d9372171c4ed728a"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-b830076f5c25a085928c704a2eb225f6d02a81a5","date":"2026-08-15T07:14:44Z","type":"prerelease","version":"nightly-b830076f5c25a085928c704a2eb225f6d02a81a5"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-3c16e2361f18f2cecc975e1d5a8d17330d92ced7","date":"2026-08-16T07:11:18Z","type":"prerelease","version":"nightly-3c16e2361f18f2cecc975e1d5a8d17330d92ced7"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-72426621753d5a635b7313d7535ac2c891505d20","date":"2026-08-14T07:34:36Z","type":"prerelease","version":"nightly-72426621753d5a635b7313d7535ac2c891505d20"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-ae4490e28362c46e1e1cdfd6ecc563ff397653fa","date":"2026-08-13T07:32:32Z","type":"prerelease","version":"nightly-ae4490e28362c46e1e1cdfd6ecc563ff397653fa"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-56b854e401f5748989d346f0aea871bac5d3e266","date":"2026-08-12T08:14:39Z","type":"prerelease","version":"nightly-56b854e401f5748989d346f0aea871bac5d3e266"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-7e5bad44e62522c87b4c5d0596026c574b1762a2","date":"2026-08-11T07:17:58Z","type":"prerelease","version":"nightly-7e5bad44e62522c87b4c5d0596026c574b1762a2"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-eb4bf9b4a0ca13f5e3ed5b5be221f37bff56a4f9","date":"2026-08-10T07:16:27Z","type":"prerelease","version":"nightly-eb4bf9b4a0ca13f5e3ed5b5be221f37bff56a4f9"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-ab860f061ed43db2fe99177218330a8938d738ed","date":"2026-08-09T07:06:24Z","type":"prerelease","version":"nightly-ab860f061ed43db2fe99177218330a8938d738ed"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-7c271517a32620b5b181d25abfd86db970ad4d7d","date":"2026-08-08T07:04:33Z","type":"prerelease","version":"nightly-7c271517a32620b5b181d25abfd86db970ad4d7d"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-921b3cb7bdf04b800fda6a8e3be80a9961616107","date":"2026-08-06T07:49:16Z","type":"prerelease","version":"nightly-921b3cb7bdf04b800fda6a8e3be80a9961616107"},{"url":"https://github.com/foundry-rs/foundry/releases/tag/nightly-50dd4b8accae878391b0825885f0632d1e0a1e4c","date":"2026-08-07T07:18:58Z","type":"prerelease","version":"nightly-50dd4b8accae878391b0825885f0632d1e0a1e4c"}]` | `[{"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"}]` |
| reliability.status_page | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=forge-fmt&per_page=100","last_12m":0,"max_severity":null}` | `{"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 | Foundry | Hardhat |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Tooling type | - | - |
| 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 | - | - |

*Source: Vioscale. Generated 2026-09-01T16:59:43.701Z. "-" = undocumented, not absent.*