How to download and setup JSceneKit
Open terminal and run command
                                            git clone https://github.com/magicien/JSceneKit.git
                                        
                                        git clone is used to create a copy or clone of JSceneKit 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 JSceneKit https://github.com/magicien/JSceneKit/archive/master.zip
Or simply clone JSceneKit with SSH
                                            [email protected]:magicien/JSceneKit.git                                    
                                    If you have some problems with JSceneKit
You may open issue on JSceneKit support forum (system) here: https://github.com/magicien/JSceneKit/issuesSimilar to JSceneKit repositories
Here you may see JSceneKit alternatives and analogs
three.js aframe plotly.js plotly.py spritejs gpu.js tfjs tfjs-core xterm.js plotly.R Babylon.js lume tangram terriajs pixijs bgfx webglstudio.js herebedragons phenomenon G2 VivaGraphJS vizceral HTML-GL Blotter gl-react glslViewer Wagner THREE.MeshLine fieldplay polygon-shredder