2. ChewyHigh-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client
3. GraniteBusiness Actions architecture for Rails apps
7. GitignoreThe largest collection of useful .gitignore templates
8. Gitignore.io.gitignore.io is a web service designed to help you create .gitignore files for
your Git repositories. The site has a graphical and command line method of
creating a .gitignore for your operating system, programming language, or IDE.