coala vs Hound: What are the differences?
What is coala? Linting and fixing code for all languages. coala is a language independent analysis toolkit. It empowers developers to create rules which a project's code should conform to. coala takes care of showing these issues to users in a friendly manner, is versatile and can be used in any environment.
What is Hound? A hosted service that comments on Ruby style guide violations in your GitHub pull requests. Take care of pesky code reviews with a trusty Hound. Hound reviews GitHub pull requests for style guide violations.
coala and Hound can be primarily classified as "Code Review" tools.
coala and Hound are both open source tools. coala with 2.82K GitHub stars and 1.33K forks on GitHub appears to be more popular than Hound with 1.72K GitHub stars and 393 GitHub forks.