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Up to three tools. The table shows the data as-is, without picking a “best”.
| Field | Lychee | uv | act |
|---|---|---|---|
| Platforms | Universal | Universal | GitHub |
| Local support | Yes | Yes | Yes |
| Paid API | No | No | No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Stars | 4057 | 91278 | 72471 |
| Last activity | October 26, 2026 | October 20, 2026 | — |
| Install complexity | — | Easy on supported systems; Homebrew must already be installed for this command. Windows and standalone installation options are explained in the guide. | — |
| Category | Testing, Workflow | Workflow, DevOps | Testing, Git, DevOps |
| Best use | For documentation authors and small teams checking references locally or in CI. Start with a specific file and interpret findings; it does not establish complete site or login functionality. | For a Python developer or small team that wants a shared setup rather than relying on manually installed packages. Commit the dependency definition and lockfile, then sync the environment and run commands with uv. It does not isolate the operating system or untrusted code, or replace application compatibility tests. | Best for a developer or small team that repeatedly edits GitHub Actions workflows and wants to test a job before pushing. It provides a local run log, while a final GitHub check remains necessary. It is not suitable when exact hosted-runner parity is required. |