insomnia
                                The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
                            
                        How to download and setup insomnia
Open terminal and run command
                                            git clone https://github.com/Kong/insomnia.git
                                        
                                        git clone is used to create a copy or clone of insomnia 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 insomnia https://github.com/Kong/insomnia/archive/master.zip
Or simply clone insomnia with SSH
                                            [email protected]:Kong/insomnia.git                                    
                                    If you have some problems with insomnia
You may open issue on insomnia support forum (system) here: https://github.com/Kong/insomnia/issuesSimilar to insomnia repositories
Here you may see insomnia alternatives and analogs
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