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