How to download and setup cowlib
Open terminal and run command
                                            git clone https://github.com/ninenines/cowlib.git
                                        
                                        git clone is used to create a copy or clone of cowlib 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 cowlib https://github.com/ninenines/cowlib/archive/master.zip
Or simply clone cowlib with SSH
                                            [email protected]:ninenines/cowlib.git                                    
                                    If you have some problems with cowlib
You may open issue on cowlib support forum (system) here: https://github.com/ninenines/cowlib/issuesSimilar to cowlib repositories
Here you may see cowlib alternatives and analogs
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