octree/ghostty

Ghostty is a terminal emulator, the window where you type commands on your computer. If you've used Terminal on Mac or Command Prompt on Windows, you know what this does. The key difference is that Ghostty is built to be fast, beautiful, and packed with modern features that other terminals don't have. It feels like a native app on whatever platform you're using: a real Mac app on macOS with menus and settings you'd expect, and a GTK app on Linux that integrates with your system. Under the hood, Ghostty uses GPU acceleration (Metal on Mac, OpenGL on Linux) and clever multi-threaded architecture to render text and handle input incredibly quickly. It supports all the standard terminal commands and sequences that old programs expect, but also newer features like the Kitty graphics protocol (for displaying images in the terminal), clipboard control, synchronized rendering, and light/dark mode notifications. The README describes it as "one of the most compliant and feature-rich terminal emulators available", meaning it can run almost any command-line program without issues. Beyond the standalone app, Ghostty also ships as a reusable library called libghostty. This lets developers embed a fast, feature-rich terminal inside their own applications. For example, if you're building an IDE, a deployment tool, or any software that needs to display terminal output, you can use libghostty instead of reinventing the wheel. The library is already being used by real projects, and it's available for C, Zig, and works on Mac, Linux, Windows, and even WebAssembly. The project is stable and in daily use by millions of people. It already has multi-window support, tabs, and split panes, organizational features that let you manage multiple terminals at once. The roadmap shows the team has ticked off most of their major goals, from standards compliance and performance to native platform experiences and the embeddable library. The only major item left is creating Ghostty-specific terminal sequences to push the terminal ecosystem forward, which they haven't started yet to avoid fragmenting the community.