ws
                                Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js
                            
                        How to download and setup ws
Open terminal and run command
                                            git clone https://github.com/websockets/ws.git
                                        
                                        git clone is used to create a copy or clone of ws 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 ws https://github.com/websockets/ws/archive/master.zip
Or simply clone ws with SSH
                                            [email protected]:websockets/ws.git                                    
                                    If you have some problems with ws
You may open issue on ws support forum (system) here: https://github.com/websockets/ws/issuesSimilar to ws repositories
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