corto
                                The Celestial Object Rendering TOol (CORTO) is a bundle of codes that can be used to generate synthetic images of celestial bodies
                            
                        How to download and setup corto
Open terminal and run command
                                            git clone https://github.com/MattiaPugliatti/corto.git
                                        
                                        git clone is used to create a copy or clone of corto 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 corto https://github.com/MattiaPugliatti/corto/archive/master.zip
Or simply clone corto with SSH
                                            [email protected]:MattiaPugliatti/corto.git                                    
                                    If you have some problems with corto
You may open issue on corto support forum (system) here: https://github.com/MattiaPugliatti/corto/issuesSimilar to corto repositories
Here you may see corto alternatives and analogs
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