How to download and setup gpupad
Open terminal and run command
                                            git clone https://github.com/houmain/gpupad.git
                                        
                                        git clone is used to create a copy or clone of gpupad 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 gpupad https://github.com/houmain/gpupad/archive/master.zip
Or simply clone gpupad with SSH
                                            [email protected]:houmain/gpupad.git                                    
                                    If you have some problems with gpupad
You may open issue on gpupad support forum (system) here: https://github.com/houmain/gpupad/issuesSimilar to gpupad repositories
Here you may see gpupad alternatives and analogs
atom NativeScript flutter libgdx react-native-elements framework tui.editor iris slate alacritty marktext iD gpu.js cute_headers RandomKit mathquill vscode electron-react-boilerplate Google-Play-Music-Desktop-Player-UNOFFICIAL- openage openFrameworks OpenRCT2 brook notepad-plus-plus server neovim lime vim pell micro