How to download and setup polymer-cheat-sheets
Open terminal and run command
                                            git clone https://github.com/StartPolymer/polymer-cheat-sheets.git
                                        
                                        git clone is used to create a copy or clone of polymer-cheat-sheets 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 polymer-cheat-sheets https://github.com/StartPolymer/polymer-cheat-sheets/archive/master.zip
Or simply clone polymer-cheat-sheets with SSH
                                            [email protected]:StartPolymer/polymer-cheat-sheets.git                                    
                                    If you have some problems with polymer-cheat-sheets
You may open issue on polymer-cheat-sheets support forum (system) here: https://github.com/StartPolymer/polymer-cheat-sheets/issuesSimilar to polymer-cheat-sheets repositories
Here you may see polymer-cheat-sheets alternatives and analogs
storybook polymer polymer-bundler web-component-tester polymer-cli vaadin-core polyserve polymer-analyzer web-components-todo gwt-polymer-elements CleverStyle-Framework polymer-skeleton polydev NyaoVim webdash Shiba hoverboard polymer-redux awesome-polymer vaadin-grid sc-crud-sample daily-stock-forecast frontend material-playground impresionante-javascript google-chart polymer-webpack-loader uniflow-polymer react-polymer dspp-keras