How to download and setup docgen
Open terminal and run command
                                            git clone https://github.com/discordjs/docgen.git
                                        
                                        git clone is used to create a copy or clone of docgen 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 docgen https://github.com/discordjs/docgen/archive/master.zip
Or simply clone docgen with SSH
                                            [email protected]:discordjs/docgen.git                                    
                                    If you have some problems with docgen
You may open issue on docgen support forum (system) here: https://github.com/discordjs/docgen/issuesSimilar to docgen repositories
Here you may see docgen alternatives and analogs
storybook tui.editor aws-doc-sdk-examples Algo_Ds_Notes the-art-of-command-line lemonade-stand WSL-Programs contributing-template electron-vue webpack.js.org cheat.sh community tldr docz assemble yard docsify editor.md Dash-iOS tensorflow-docs jsdoc zeal yii2-apidoc documentation xrpl-dev-portal kit PHPSwaggerGen w3c.github.io devdocs docfx