aicoolies logo
kitty logo
kitty logo

kitty

The fast, feature-rich terminal

open sourceupdated Aug 16, 2026

GPU-accelerated terminal emulator written in C and Python, focused on performance and features. Supports ligatures, true color, graphics protocol for displaying images/plots inline, tabs, splits, and remote control via IPC. Highly configurable via a plain text config file. Cross-platform on macOS and Linux. Features a kitten framework for writing terminal programs in Python. Known for innovation in terminal graphics. 26K+ GitHub stars and a dedicated power-user community.

Kitty is a fast, feature-rich, GPU-based terminal emulator that offers a comprehensive terminal experience without compromising on performance. Created by Kovid Goyal, Kitty uses OpenGL for rendering and offloads graphics processing to the GPU while utilizing SIMD vector CPU instructions, resulting in best-in-class performance with lower system load and smooth scrolling. It solves the problem of having to choose between a feature-rich terminal and a fast one by delivering both.

Kitty supports all modern terminal features including true-color rendering, Unicode, OpenType ligatures, inline image display via its own graphics protocol (widely adopted by other tools), mouse protocol support, focus tracking, and bracketed paste. It provides built-in tiling with multiple terminal windows side by side in different layouts without requiring tmux, uses threaded rendering to minimize input latency, and offers extensive customization through its configuration file. Kitty also includes a powerful extension system called kittens for adding custom functionality.

Kitty is designed for developers and terminal power users on Linux, macOS, and BSD who want a GPU-accelerated terminal with comprehensive built-in features. Its graphics protocol has become a de facto standard adopted by other terminal emulators like Ghostty and WezTerm, as well as terminal applications like Neovim and ranger. Kitty is particularly popular among users who want image rendering, ligature support, and tiling capabilities without relying on additional tools.

Pricing

Free

Platforms

macOS, Linux

Categories

Tags

Use Cases

Related Tools

computed discovery: shared active categories · kept separate from editor-verified Alternatives

Grok logo

Grok Build

Top Pick

xAI's terminal coding agent with parallel subagents and worktree-aware automation

Grok Build is xAI's terminal-first coding agent for planning, editing, testing, and reviewing code from a local CLI. The early beta exposes subagent controls, worktree mode, headless JSON output, best-of-N parallel attempts, sandbox profiles, and experimental memory. It fits developers comparing Claude Code, Codex, and Gemini CLI for local agentic workflows with deeper parallel execution.

paid
Ghostty logo

Ghostty

Top Pick

Fast, native terminal emulator

GPU-accelerated terminal emulator written in Zig by Mitchell Hashimoto (HashiCorp co-founder). Native UI rendering on macOS and Linux. Supports ligatures, true color, Kitty graphics protocol, and splits/tabs. Configurable via a simple key-value file with sensible defaults. Open-source with 20K+ GitHub stars and a focus on correctness, speed, and minimal resource usage. Growing as a modern alternative to iTerm2, Alacritty, and WezTerm.

Open Source
Claude Code logo

Claude Code

Top Pick

Anthropic's agentic coding CLI

Anthropic's agentic CLI coding tool that delegates complex tasks to Claude directly from the terminal. Understands entire codebases via automatic context gathering, edits multiple files, runs shell commands, and manages Git workflows autonomously. Supports CLAUDE.md for persistent project instructions, integrates with VS Code and JetBrains, and uses Claude Opus/Sonnet with extended thinking for complex architectural decisions. Built for terminal-first developers.

paid
Codex logo

Codex

Top Pick

OpenAI coding agent for app, editor, terminal, and cloud work

Codex is OpenAI's coding agent for software development across the Codex app, editor, terminal, and cloud tasks. It helps write, review, debug, refactor, and automate code, with ChatGPT plan access for managed surfaces and API-key usage for CLI, SDK, and IDE workflows. The open-source CLI and SDK support local repository work, while cloud features add GitHub review, Slack/Linear integrations, worktrees, skills, MCP, and automations.

freemium
roborev logo

roborev

Continuous local code-review loops for commits produced by AI coding agents

roborev is an MIT-licensed local review system that checks every commit in the background, stores findings in a review queue, and feeds actionable issues back into AI coding sessions. Git hooks, a TUI, branch and dirty-tree analysis, Codex and Claude agent hooks, plus iterative fix/refine commands turn review into a continuous agent workflow.

Open SourceTelemetry
Windows-MCP logo

Windows-MCP

MCP server for controlling Windows desktops through UIAutomation

Windows-MCP is an open-source MCP server for giving AI agents structured access to Windows desktop automation. It focuses on UIAutomation, snapshots, input control, and Windows-specific app workflows, making it different from general filesystem or shell MCP servers.

Open Source

FAQ

What is kitty?

GPU-accelerated terminal emulator written in C and Python, focused on performance and features. Supports ligatures, true color, graphics protocol for displaying images/plots inline, tabs, splits, and remote control via IPC. Highly configurable via a plain text config file. Cross-platform on macOS and Linux. Features a kitten framework for writing terminal programs in Python. Known for innovation in terminal graphics. 26K+ GitHub stars and a dedicated power-user community.

Is kitty free?

Yes — kitty is open source and free to use. Free

Is kitty open source?

Yes — kitty is open source.

What are the best kitty alternatives?

The top editor-verified kitty alternatives are Alacritty, WezTerm.