GNU Data Language (GDL) GUI
GNU Data Language (GDL) can use GDLDE Workbench GUI for graphical development.
Download and install GDL.
- Windows: installer includes GDLDE Workbench: gdlsetup-Windows-x86_64-standard.exe. Simply install and look in Windows Start menu for “GDL Workbench”.
 - macOS: use 
brew install gnudatalanguage - Ubuntu Linux: 
apt install gnudatalanguage 
Download and extract GDLDE.