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