How to download and setup qr-code
Open terminal and run command
                                            git clone https://github.com/educastellano/qr-code.git
                                        
                                        git clone is used to create a copy or clone of qr-code 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 qr-code https://github.com/educastellano/qr-code/archive/master.zip
Or simply clone qr-code with SSH
                                            [email protected]:educastellano/qr-code.git                                    
                                    If you have some problems with qr-code
You may open issue on qr-code support forum (system) here: https://github.com/educastellano/qr-code/issuesSimilar to qr-code repositories
Here you may see qr-code alternatives and analogs
bootstrap electron html5-boilerplate Front-End-Checklist storybook hyper 30-seconds-of-code sheetjs bulma prettier parcel pure tabler front-end-interview-handbook ratchet layui rails p5.js thimble.mozilla.org video.js intro.js gentelella framework ReLaXed WebFundamentals aframe photon requests-html remark tachyons