The following linter versions are supported by Hound:
RuboCop:
0.54.0(default),0.59.2,0.63.0,0.64.0,0.68.0,0.71.0,0.72.0,0.75.0,0.80.0,0.83.0,0.88.0,0.91.0,1.5.2,1.22.1Reek:
5.0.2Flog:
4.6.2ESLint:
4.19.1(default),5.7.0,5.16.0,6.3.0,6.8.0,7.7.0,8.1.0JSHint:
2.9.5TSLint:
5.9.1Flake8:
3.6.0Credo:
0.9.3SwiftLint:
0.43.1CoffeeLint:
1.16.2Stylelint:
10.1.0(default),13.2.1SASS-lint:
1.12.1SCSS-lint:
0.50.2(default),0.57.1HAML-Lint:
0.37.0Slim-Lint:
0.15.0Shellcheck:
0.5.0Remark:
6.0.2ERB Lint:
0.0.29
Hound can be configured to use a specific linter version too! http://help.houndci.com/configuration/linter-versioning
Note: Hound doesn't support custom linters/rules.