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