How to download and setup forkcms
Open terminal and run command
                                            git clone https://github.com/forkcms/forkcms.git
                                        
                                        git clone is used to create a copy or clone of forkcms 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 forkcms https://github.com/forkcms/forkcms/archive/master.zip
Or simply clone forkcms with SSH
                                            [email protected]:forkcms/forkcms.git                                    
                                    If you have some problems with forkcms
You may open issue on forkcms support forum (system) here: https://github.com/forkcms/forkcms/issuesSimilar to forkcms repositories
Here you may see forkcms alternatives and analogs
keystone-classic hugo laravel symfony framework yii2 cphalcon awesome-php CodeIgniter DesignPatternsPHP composer hhvm PHPMailer phpunit phabricator matomo swoole-src grav cachet parsedown flarum whoops cakephp image october PHP-Parser awesome-cheatsheets flysystem easywechat phpredis