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