Black Box is a native terminal emulator for GNOME that offers superb theming options.

With Black Box you can:

• Set colors schemes and integrate them with the rest of the window
• Customize font and size
• Customize keyboard shortcuts
• Render Sixel escape sequences
• Fully hide the window headerbar
• Quickly open links and files by ctrl+clicking file paths and URLs
• Easily paste file paths by dragging them into the window

This app is written in Vala and uses GTK 4, libadwaita, and VTE.