Open Source Self-Hosted Developer Tools

Boo

Persistent terminal multiplexer built on libghostty and Zig

Terminal AI Automation Developer Tools Coding Multiplexer Ghostty

Libghostty Nix Shell Zig

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At a glance

Primary use case: Persistent terminal multiplexer built on libghostty and Zig
Best for: Developer Tools — Terminal, AI
Stack: Libghostty, Nix, Shell, Zig
Access: Open source · Self-hosted

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Website

https://github.com/coder/boo

Repository

https://github.com/coder/boo

Source

https://github.com/coder/boo

About this tool

Boo is a GNU screen style terminal multiplexer built on libghostty. It maintains exact screen state for every session, allowing for faithful redraws, session persistence, and automation via scripts or AI agents.

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Features

Supports persistent sessions that survive disconnects with simple attach and detach commands.
Includes a full screen session manager UI to list and navigate between active sessions.
Provides automation primitives like peek and wait with JSON output for scripts and AI.