firefly
                                Firefly is an asynchronous web framework for rapid development of high-performance web application.
                            
                        How to download and setup firefly
Open terminal and run command
                                            git clone https://github.com/hypercube1024/firefly.git
                                        
                                        git clone is used to create a copy or clone of firefly 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 firefly https://github.com/hypercube1024/firefly/archive/master.zip
Or simply clone firefly with SSH
                                            [email protected]:hypercube1024/firefly.git                                    
                                    If you have some problems with firefly
You may open issue on firefly support forum (system) here: https://github.com/hypercube1024/firefly/issuesSimilar to firefly repositories
Here you may see firefly alternatives and analogs
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