sonata-admin-tree-bundle
                                This bundle integrates jsTree and Gedmo Nested Set directly to Sonata Admin
                            
                        How to download and setup sonata-admin-tree-bundle
Open terminal and run command
                                            git clone https://github.com/maZahaca/sonata-admin-tree-bundle.git
                                        
                                        git clone is used to create a copy or clone of sonata-admin-tree-bundle 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 sonata-admin-tree-bundle https://github.com/maZahaca/sonata-admin-tree-bundle/archive/master.zip
Or simply clone sonata-admin-tree-bundle with SSH
                                            [email protected]:maZahaca/sonata-admin-tree-bundle.git                                    
                                    If you have some problems with sonata-admin-tree-bundle
You may open issue on sonata-admin-tree-bundle support forum (system) here: https://github.com/maZahaca/sonata-admin-tree-bundle/issuesSimilar to sonata-admin-tree-bundle repositories
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