How to download and setup curl
Open terminal and run command
                                            git clone https://github.com/ixudra/curl.git
                                        
                                        git clone is used to create a copy or clone of curl 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 curl https://github.com/ixudra/curl/archive/master.zip
Or simply clone curl with SSH
                                            [email protected]:ixudra/curl.git                                    
                                    If you have some problems with curl
You may open issue on curl support forum (system) here: https://github.com/ixudra/curl/issuesSimilar to curl repositories
Here you may see curl alternatives and analogs
requests requests-html iris laravel framework cachet flarum image october jwt-auth laravel.io voten sage MechanicalSoup php-curl-class cpr requestium Just grequests performance-bookmarklet uplink lassie requests-respectful httmock pycookiecheat node-request-retry curequests khttp Sasila requests-threads