GTK ships with a number of tools and demos that come with their own documentation in the form of man pages.

• gtk4-broadwayd
• gtk4-builder-tool
• gtk4-demo
• gtk4-demo-application
• gtk4-encode-symbolic-svg
• gtk4-icon-browser
• gtk4-image-tool
• gtk4-launch
• gtk4-node-editor
• gtk4-path-tool
• gtk4-query-settings
• gtk4-rendernode-tool
• gtk4-update-icon-cache
• gtk4-widget-factory