How to download and setup slackathon
Open terminal and run command
                                            git clone https://github.com/tildeio/slackathon.git
                                        
                                        git clone is used to create a copy or clone of slackathon 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 slackathon https://github.com/tildeio/slackathon/archive/master.zip
Or simply clone slackathon with SSH
                                            [email protected]:tildeio/slackathon.git                                    
                                    If you have some problems with slackathon
You may open issue on slackathon support forum (system) here: https://github.com/tildeio/slackathon/issuesSimilar to slackathon repositories
Here you may see slackathon alternatives and analogs
rails discourse gitlabhq devise diaspora spree activeadmin kaminari simple_form factory_bot classroom android-dev-sources zulip textbook-curriculum github-ds diplomat botkit jbot awesome-opensource-apps acts_as_api vigil browserify-rails mumuki-laboratory react-rails brakeman octicons mailcatcher cancancan administrate refinerycms