Workbench is for learning and prototyping with GNOME technologies, no matter if tinkering for the first time or building and testing a GTK user interface.
Key Features
- Live GTK/CSS preview.
- Library of 100+ examples.
- JavaScript, Rust, Python, Vala, Blueprint, and CSS support.
- Declarative user interface syntax.
- Autosave, sessions and projects.
- Code diagnostics, completion and formatter.
- Terminal output.
- Extensions.
- Light and dark theme.
Website: apps.gnome.org/en/Workbench/ui
Support: GitHub Code Repository
Developer: Sonny, Julian Hofer
License: MIT License

Workbench is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
Related Software
| GUI Prototyping Tools | |
|---|---|
| Penpot | Design tool that’s web based. Penpot requires a browser, that’s it. |
| Inkscape | Powerful design software with flexible drawing tools |
| Akira | Design application for prototyping |
| Pencil | Easy GUI Prototyping with a good range of built-in shape collections |
| Workbench | Prototype with GNOME technologies |
| mydraft | Wireframing tool |
Read our verdict in the software roundup.
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