Hex1bThe .NET Terminal Application Stack

Appearance

Build, emulate, and test terminal applications with a modern, developer-friendly API.

🖥️

Terminal User Interfaces

Build rich TUIs with a React-inspired declarative API. Widgets, layout, theming, focus management—everything you need for interactive terminal apps.

Build your first app

⚡

A fully-featured terminal emulator for .NET. Spawn child processes, process ANSI sequences, and inspect screen buffers programmatically.

Learn the architecture

🧪

First-class testing support with headless execution, input sequence builders, and screen assertions. Test your terminal apps like you test web apps.

Write your first test

🤖

Expose terminal sessions to AI agents via the Model Context Protocol. Let LLMs interact with your terminal applications programmatically.

Learn about MCP

Add the Hex1b package to your app:

dotnet add package Hex1b@0.1.0