enact
                                An app development framework built atop React that’s easy to use, performant and customizable.
                            
                        How to download and setup enact
Open terminal and run command
                                            git clone https://github.com/enactjs/enact.git
                                        
                                        git clone is used to create a copy or clone of enact 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 enact https://github.com/enactjs/enact/archive/master.zip
Or simply clone enact with SSH
                                            [email protected]:enactjs/enact.git                                    
                                    If you have some problems with enact
You may open issue on enact support forum (system) here: https://github.com/enactjs/enact/issuesSimilar to enact repositories
Here you may see enact alternatives and analogs
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