Checkstyle pricing
1 plan read from checkstyle.org
CheckstyleFree Java source code analysis · configurable checks Read 10 Oct 2026 · checkstyle.org
In short
- Checkstyle has a free plan (Checkstyle).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Cppcheck | — | Yes | Yes |
| Flake8 | — | Yes | No |
| JSHint | — | Yes | No |
| clang-tidy | — | Yes | No |
| actionlint | — | Yes | No |
| PMD | — | Yes | No |
| Biome | — | Yes | No |
| Astral | — | Yes | No |