BTerm

A modern, GPU-accelerated terminal multiplexer for Linux

Split panes · Tab management · AI coding agents · Frosted glass UI

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Features

Terminal

• GPU-accelerated rendering via WebGL
• Split panes — horizontal (Ctrl+Shift+H) and vertical (Ctrl+Shift+V)
• Draggable dividers with auto font scaling
• Tab management with persistent terminal state
• Search in terminal output (Ctrl+Shift+F)
• IME support (fcitx5, ibus, etc.) for CJK and Vietnamese input

AI Mode

• Launch Claude Code, Codex CLI, and Gemini CLI instances
• Mix and match up to 6 agents in one session
• Set project directory before spawning — agents start in your project
• Auto-balanced grid layout

Command Palette

• Quick access to all commands (Ctrl+Shift+P)
• Fuzzy search, keyboard navigation

Customizable

• 5 built-in themes: Default, Nord, Monokai, Solarized, Midnight
• Full UI sync — terminal, sidebar, tabs all match the selected theme
• Font family, size, line height, cursor style
• Scrollback buffer, opacity
• Settings persist across sessions

Split Panes

• Horizontal and vertical splits within the same tab
• Zoom any pane to fullscreen and restore
• Auto font scaling based on pane size

UI

• Frosted glass translucency (subtle, not flashy)
• Right-side collapsible info panel
• Session overview with uptime, pane count
• Responsive — sidebar auto-hides on small windows

Keyboard Shortcuts

Shortcut	Action
Ctrl+Shift+T	New tab
Ctrl+Shift+H	Split right
Ctrl+Shift+V	Split down
Ctrl+Shift+W	Close pane
Ctrl+Shift+Z	Zoom / unzoom pane
Ctrl+Shift+A	AI Mode
Ctrl+Shift+P	Command palette
Ctrl+Shift+B	Toggle sidebar
Ctrl+Shift+F	Search in terminal
Ctrl+Shift+,	Settings
Double-click tab	Rename tab

Install

Ubuntu / Debian (.deb)

sudo dpkg -i BTerm_1.0.0_amd64.deb

AppImage

chmod +x BTerm_1.0.0_amd64.AppImage
./BTerm_1.0.0_amd64.AppImage

Build from source

# Prerequisites
sudo apt install libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev

# Build
git clone https://github.com/riftzen-bit/bterm.git
cd bterm
npm install
npx tauri build

Tech Stack

Layer	Technology
Frontend	React 18, TypeScript
Terminal	xterm.js (WebGL renderer)
Backend	Rust, Tauri v2
PTY	portable-pty
Styling	Custom CSS with CSS variables

Requirements

• Linux (x86_64)
• WebKitGTK 4.1
• GTK 3

License

MIT

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Built with Tauri · React · xterm.js · Rust