How to download and setup heckle
Open terminal and run command
                                            git clone https://github.com/2016rshah/heckle.git
                                        
                                        git clone is used to create a copy or clone of heckle 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 heckle https://github.com/2016rshah/heckle/archive/master.zip
Or simply clone heckle with SSH
                                            [email protected]:2016rshah/heckle.git                                    
                                    If you have some problems with heckle
You may open issue on heckle support forum (system) here: https://github.com/2016rshah/heckle/issuesSimilar to heckle repositories
Here you may see heckle alternatives and analogs
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