For javascript, there's been jsbeautifier [1], jsfmt [2], uglify. JSCS [3] added autofixing a while back for most whitespace rules, and ESLint has just begun a

For javascript, there's been jsbeautifier [1], jsfmt [2], uglify. JSCS [3] added autofixing a while back for most whitespace rules, and ESLint has just begun autofixing as well [4] [1] http://jsbeautifier.org/ http://jsbeautifier.org/ [2] https://github.com/rdio/jsfmt https://github.com/rdio/jsfmt [3] http://jscs.info/ http://jscs.info/ [4] https://github.com/eslint/eslint/pull/3635 https://github.com/eslint/eslint/pull/3635