Core Terminal Overview
Overview of Casshper's core terminal features, native Ghostty rendering engine, hardware TEE security, and session persistence.
Built for Speed and Security
Casshper is built from the ground up for native performance, enterprise security, and continuous background execution. The core terminal brings desktop-grade terminal rendering and hardware-backed key protection to mobile devices with zero external cloud dependencies.
All core terminal features run 100% locally on your Android device. Private SSH keys are generated and signed directly inside Android's Hardware Keystore (TEE).
Core Terminal Features
Protect SSH private keys inside Android's hardware Trusted Execution Environment (TEE) with hardware-backed digital signing.
Core Feature Ghostty Terminal EngineExperience desktop-grade GPU-accelerated terminal rendering on Android built on the high-performance Ghostty core.
Core Feature Session Persistence and SSH AgentKeep terminal sessions active in the background and manage SSH identities with Casshper's background session service.
Core Feature Action Bindings and Terminal CommandsMaster programmable action bindings, terminal control commands, session navigation, and Pro Admin triggers across Casshper soft keys and touch gestures.
Core Feature Pure JS RuntimeExecute pure JavaScript scripts, Node.js 22 tools, and pure JS CLI utilities locally on Android using Casshper's embedded Node.js 22 environment.
Core Feature Soft Key Bars and KeycodesCustomizable on-screen soft key bar with tactile key modes (Press, Latch, Toggle), keycode chording, modifier latching, and 32 preset navigation keys.
Core Feature Terminal Render KnobsFine-tune your mobile terminal viewport with per-column grid sizing, anti-aliasing downscaling methods, high-DPI texture scaling, and cursor styles.
Core Feature Saved ConnectionsSave, organize, and manage SSH connection profiles with hostnames, custom ports, key authentication, and port forwarding rules.
Core Feature Terminal ThemesPersonalize your mobile workstation with over 450+ built-in Ghostty color themes and 24-bit RGB True Color rendering.
Core Feature Native Zsh ShellCasshper bundles a native Zsh 5.9 shell environment pre-configured with custom prompts, interactive autocompletion, and persistent ~/.zshrc configuration.