Black Box is an elegant and customizable terminal for GNOME.
Its primary goal is to provide the GNOME desktop with a beautiful and resourceful terminal emulator.
This is free and open source software.
Key Features
- Color schemes – (Tilix compatible color scheme support).
- Theming – your color scheme can be used to style the whole app.
- Background transparency.
- Custom fonts, padding, and cell spacing.
- Tabs.
- Support for drag and dropping files.
- Sixel (experimental). Sixel, short for “six pixels”, is a bitmap graphics format supported by terminals and printers from DEC. It consists of a pattern six pixels high and one wide, resulting in 64 possible patterns.
- Customizable keybindings.
- Toggle-able header bar.
- Search your backlog with text or regex.
- Context aware header bar – the header bar changes colors when running commands with sudo and in ssh sessions.
- Desktop notifications – get notified when a command is finished in the background.
- Customizable UI.
Website: gitlab.gnome.org/raggesilver/blackbox
Support:
Developer: Paulo Queiroz
License: GNU General Public License v3.0

Black Box is written in Vala. Learn Vala with our recommended free books and free tutorials.
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