# Buck2 vs Rush

| Attribute | Buck2 | Rush |
|---|---|---|
| **Vioscale score** | 49.2 (21% (low)) | 51.6 (17% (low)) |
| activity.commits_last_30d | 100 | 65 |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 4,406 | 6,496 |
| description.long | Buck2 is a successor to the original Buck build system designed for fast, hermetic compilation of multi-language projects. It enforces strict dependency tracking to prevent common build errors and supports seamless interoperation between different programming languages like Python, OCaml, and Rust. | A unified monorepo management tool that helps JavaScript teams coordinate multiple packages in a single Git repository, handling installation, building, versioning, and publishing. |
| features.capabilities | - | `{"affected_detection":true,"task_dag_orchestration":true}` |
| integrations.count | 4 | - |
| integrations.list | `[{"name":"BuildBarn"},{"name":"BuildBuddy"},{"name":"EngFlow"},{"name":"NativeLink"}]` | - |
| language.primary | Rust | TypeScript |
| license.spdx | Apache-2.0 | - |
| release.cadence_days | 16 | - |
| release.history | `[{"url":"https://github.com/facebook/buck2/releases/tag/latest","date":"2023-04-13T15:18:53Z","type":"prerelease","version":"latest"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-08-22","date":"2026-08-22T01:52:19Z","type":"prerelease","version":"2026-08-22"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-08-01","date":"2026-08-01T00:49:00Z","type":"prerelease","version":"2026-08-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-07-15","date":"2026-07-15T00:06:17Z","type":"prerelease","version":"2026-07-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-07-01","date":"2026-07-01T04:43:37Z","type":"prerelease","version":"2026-07-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-06-15","date":"2026-06-15T00:12:31Z","type":"prerelease","version":"2026-06-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-06-01","date":"2026-06-01T09:49:33Z","type":"prerelease","version":"2026-06-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-05-18","date":"2026-05-18T11:13:49Z","type":"prerelease","version":"2026-05-18"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-05-01","date":"2026-05-01T00:10:33Z","type":"prerelease","version":"2026-05-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-04-15","date":"2026-04-15T01:18:03Z","type":"prerelease","version":"2026-04-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-04-01","date":"2026-04-01T22:15:42Z","type":"prerelease","version":"2026-04-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-03-15","date":"2026-03-15T01:03:08Z","type":"prerelease","version":"2026-03-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-03-11","date":"2026-03-11T17:37:31Z","type":"prerelease","version":"2026-03-11"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-02-01","date":"2026-02-01T02:32:14Z","type":"prerelease","version":"2026-02-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-01-19","date":"2026-01-19T10:07:57Z","type":"prerelease","version":"2026-01-19"},{"url":"https://github.com/facebook/buck2/releases/tag/2026-01-02","date":"2026-01-02T19:57:35Z","type":"prerelease","version":"2026-01-02"},{"url":"https://github.com/facebook/buck2/releases/tag/2025-12-15","date":"2025-12-15T14:34:45Z","type":"prerelease","version":"2025-12-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2025-12-01","date":"2025-12-01T17:54:10Z","type":"prerelease","version":"2025-12-01"},{"url":"https://github.com/facebook/buck2/releases/tag/2025-11-15","date":"2025-11-15T03:41:46Z","type":"prerelease","version":"2025-11-15"},{"url":"https://github.com/facebook/buck2/releases/tag/2025-11-01","date":"2025-11-01T00:12:33Z","type":"prerelease","version":"2025-11-01"}]` | - |
| security.scorecard | - | 5.1 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=pagable_storage&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40simplr%2Freact-forms-validation&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Monorepo Tools)

| Capability | Buck2 | Rush |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Affected detection | - | ✓ |
| Remote caching | - | - |
| Remote execution | - | - |
| Hermetic sandboxed builds | - | - |
| Reapi compliant | - | - |
| Task dag orchestration | - | ✓ |
| Code generators | - | - |
| Dependency graph visualization | - | - |

*Source: Vioscale. Generated 2026-09-02T14:17:52.578Z. "-" = undocumented, not absent.*