# Oxc/oxlint vs Psalm

| Attribute | Oxc/oxlint | Psalm |
|---|---|---|
| **Vioscale score** | 53.1 (47% (low)) | 72.8 (33% (low)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 1 | 15,920 |
| adoption.github_stars | 22,500 | 5,884 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source toolkit providing linting, formatting, parsing, transformation, module resolution, and minification for JavaScript and TypeScript through Rust implementation, achieving significantly higher performance than comparable tools. | Psalm is a free, open-source static analyzer for PHP that identifies type-related errors and bugs in codebases at their strictest settings. It can automatically fix many common issues and supports safe coding patterns used in other languages. |
| features.capabilities | `{"autofix":true,"function":"quality_platform","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Rust","pricing_model":"free","language_scope":"single_language"}` | `{"autofix":true,"metrics":true,"function":"static_analyzer","deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"PHP","pricing_model":"free","language_scope":"single_language"}` |
| integrations.count | 4 | - |
| integrations.list | `[{"name":"ESLint"},{"name":"Tailwind"},{"name":"React"},{"name":"styled-components"}]` | - |
| language.primary | Rust | PHP |
| license.spdx | MIT | MIT |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","features":["Linting with 800+ rules","Code formatting","JavaScript/TypeScript parsing","Code transformation","Module resolution","Code minification"],"description":"Free and open source software","contactSales":false}],"summary":"Free and open source","freeTier":true,"sourceUrl":"https://oxc.rs/","retrievedAt":"2026-08-14T10:22:40.073Z"}` | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","description":"Free and open-source static analysis tool for PHP","contactSales":false}],"summary":"Free and open-source. Optional paid support contracts available.","freeTier":true,"sourceUrl":"https://psalm.dev/","retrievedAt":"2026-08-03T22:32:46.041Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 2 | 1 |
| release.history | `[{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.147.0","date":"2026-08-24T11:31:39Z","type":"stable","version":"crates_v0.147.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.80.0","date":"2026-08-24T13:39:23Z","type":"stable","version":"apps_v1.80.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.146.0","date":"2026-08-19T08:40:33Z","type":"stable","version":"crates_v0.146.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.145.0","date":"2026-08-18T14:33:59Z","type":"stable","version":"crates_v0.145.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.79.0","date":"2026-08-18T15:09:46Z","type":"stable","version":"apps_v1.79.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.144.0","date":"2026-08-10T10:08:13Z","type":"stable","version":"crates_v0.144.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.78.0","date":"2026-08-10T10:46:10Z","type":"stable","version":"apps_v1.78.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.143.0","date":"2026-08-06T10:42:26Z","type":"stable","version":"crates_v0.143.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.77.0","date":"2026-08-03T12:07:50Z","type":"stable","version":"apps_v1.77.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.142.0","date":"2026-07-27T15:14:48Z","type":"stable","version":"crates_v0.142.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.76.0","date":"2026-07-27T15:59:01Z","type":"stable","version":"apps_v1.76.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.141.0","date":"2026-07-21T15:16:54Z","type":"stable","version":"crates_v0.141.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.75.0","date":"2026-07-21T23:22:20Z","type":"stable","version":"apps_v1.75.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.140.0","date":"2026-07-14T07:09:20Z","type":"stable","version":"crates_v0.140.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.74.0","date":"2026-07-14T07:46:21Z","type":"stable","version":"apps_v1.74.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.139.0","date":"2026-07-06T15:33:32Z","type":"stable","version":"crates_v0.139.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.73.0","date":"2026-07-06T23:08:25Z","type":"stable","version":"apps_v1.73.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.138.0","date":"2026-06-29T19:18:29Z","type":"stable","version":"crates_v0.138.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.72.0","date":"2026-06-29T23:11:48Z","type":"stable","version":"apps_v1.72.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.71.0","date":"2026-06-22T12:31:30Z","type":"stable","version":"apps_v1.71.0"}]` | `[{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta19","date":"2026-04-15T20:51:53Z","type":"prerelease","version":"7.0.0-beta19"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta18","date":"2026-04-15T18:57:09Z","type":"prerelease","version":"7.0.0-beta18"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.16.1","date":"2026-03-19T11:07:58Z","type":"stable","version":"6.16.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta17","date":"2026-03-17T11:28:08Z","type":"prerelease","version":"7.0.0-beta17"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.16.0","date":"2026-03-17T11:22:35Z","type":"stable","version":"6.16.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta16","date":"2026-02-20T19:46:21Z","type":"prerelease","version":"7.0.0-beta16"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta15","date":"2026-02-19T21:57:27Z","type":"prerelease","version":"7.0.0-beta15"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.15.1","date":"2026-02-08T08:26:17Z","type":"stable","version":"6.15.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.15.0","date":"2026-01-30T14:13:20Z","type":"stable","version":"6.15.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta14","date":"2025-12-23T17:07:55Z","type":"prerelease","version":"7.0.0-beta14"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.3","date":"2025-12-23T15:49:03Z","type":"stable","version":"6.14.3"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.2","date":"2025-12-11T08:59:09Z","type":"stable","version":"6.14.2"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta13","date":"2025-12-10T09:35:46Z","type":"prerelease","version":"7.0.0-beta13"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.1","date":"2025-12-10T09:35:44Z","type":"stable","version":"6.14.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta12","date":"2025-12-10T09:11:02Z","type":"prerelease","version":"7.0.0-beta12"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.14.0","date":"2025-12-10T08:48:11Z","type":"stable","version":"6.14.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.13.1","date":"2025-08-07T12:33:39Z","type":"stable","version":"6.13.1"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta11","date":"2025-07-14T10:01:40Z","type":"prerelease","version":"7.0.0-beta11"},{"url":"https://github.com/vimeo/psalm/releases/tag/6.13.0","date":"2025-07-14T10:00:47Z","type":"stable","version":"6.13.0"},{"url":"https://github.com/vimeo/psalm/releases/tag/7.0.0-beta10","date":"2025-07-04T10:10:02Z","type":"prerelease","version":"7.0.0-beta10"}]` |
| security.scorecard | - | 4.5 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=oxlint&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=vimeo%2Fpsalm&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | Oxc/oxlint | Psalm |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Quality platform | Static analyzer |
| Language scope | Single-language | Single-language |
| Implementation language | Rust | PHP |
| **Capability** |  |  |
| Autofix | ✓ | ✓ |
| **Config** |  |  |
| Config model | Config file | Config file |
| **Extensibility** |  |  |
| Custom rules | ✓ | ✓ |
| **Deployment** |  |  |
| Deployment | CLI-local | CLI-local |
| **Delivery** |  |  |
| Editor integration | - | - |
| CI / VCS gating | ✓ | - |
| **Insight** |  |  |
| Code metrics | - | ✓ |
| **Performance** |  |  |
| Incremental / monorepo aware | - | - |
| **Licensing** |  |  |
| Open-source | OSS | OSS |
| **Commercial** |  |  |
| Pricing model | Free | Free |

*Source: Vioscale. Generated 2026-09-01T17:07:38.428Z. "-" = undocumented, not absent.*