How to download and setup roc
Open terminal and run command
                                            git clone https://github.com/roc-lang/roc.git
                                        
                                        git clone is used to create a copy or clone of roc 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 roc https://github.com/roc-lang/roc/archive/master.zip
Or simply clone roc with SSH
                                            [email protected]:roc-lang/roc.git                                    
                                    If you have some problems with roc
You may open issue on roc support forum (system) here: https://github.com/roc-lang/roc/issuesSimilar to roc repositories
Here you may see roc alternatives and analogs
TypeScript ruby Functional-Light-JS elm-cheat-sheet codeworld pyret-lang go cyclejs awesome-cheatsheets android-dev-sources scala-exercises mimesis translations not-awesome-es6-classes funfix.js monix cyclops CN-VScode-Docs hybrids oh Eve lang ios-oss Kickstarter-ReactiveExtensions rust Nim red scala-js haxe enso