Workbench lets you experiment with GNOME technologies, no matter if tinkering for the first time or building and testing a GTK user interface.

Among other things, Workbench comes with

• Live GTK/CSS preview
• Library of 100+ examples
• JavaScript, Rust, Python and Vala support
• Declarative user interface syntax
• Autosave, sessions and projects
• Code linter and formatter
• Terminal output
• 1000+ icons