How to download and setup rails
Open terminal and run command
                                            git clone https://github.com/translation/rails.git
                                        
                                        git clone is used to create a copy or clone of rails repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with rails https://github.com/translation/rails/archive/master.zip
Or simply clone rails with SSH
                                            [email protected]:translation/rails.git                                    
                                    If you have some problems with rails
You may open issue on rails support forum (system) here: https://github.com/translation/rails/issuesSimilar to rails repositories
Here you may see rails alternatives and analogs
react-boilerplate react-starter-kit rails discourse gitlabhq devise diaspora spree activeadmin kaminari simple_form factory_bot classroom textbook-curriculum github-ds diplomat react-i18next awesome-opensource-apps acts_as_api vue-example browserify-rails mumuki-laboratory react-rails brakeman octicons mailcatcher cancancan administrate refinerycms simplecov