OpenSource
                                Load Source games maps as combined meshes correctly positioned relative to each other
                            
                        How to download and setup OpenSource
Open terminal and run command
                                            git clone https://github.com/w23/OpenSource.git
                                        
                                        git clone is used to create a copy or clone of OpenSource 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 OpenSource https://github.com/w23/OpenSource/archive/master.zip
Or simply clone OpenSource with SSH
                                            [email protected]:w23/OpenSource.git                                    
                                    If you have some problems with OpenSource
You may open issue on OpenSource support forum (system) here: https://github.com/w23/OpenSource/issuesSimilar to OpenSource repositories
Here you may see OpenSource alternatives and analogs
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