The Deska blog
Kitty Terminal Alternatives: Beyond the Fastest Emulator
Exploring kitty terminal alternatives for power users who hit workspace limits: multiplexers, tabbed emulators, and canvas workspaces for AI coding agents.
· 9 min read
Kitty is one of the fastest, most scriptable terminal emulators you can run, and yet a growing number of power users are searching for kitty terminal alternatives. The reason is rarely speed. Kitty's GPU rendering is excellent, its kittens make it endlessly extensible, and its config file is a pleasure to edit. The reason is usually workspace: when your day involves five terminal sessions, two AI coding agents, a browser for docs, and a scratch file for notes, a single window with tabs and splits starts to feel like a hallway you keep tripping in. This post looks honestly at where kitty shines, where it stops, and which alternatives make sense depending on what is actually limiting you.
What Kitty Genuinely Does Well
Before replacing a tool, it is worth being precise about what it gives you, because some kitty features are hard to match.
- GPU accelerated rendering with very low input latency, which matters during long scrollback and heavy output like
npm installor build logs. - The graphics protocol, which lets tools like
kitten icatdisplay real images inside the terminal. - Kittens: small Python plugins for hints, diffing, Unicode input, SSH integration, and more.
- A single, readable
kitty.confwith live reload, plus remote control viakitty @for scripting layouts from outside. - Sensible defaults for ligatures, font fallback, and true color.
If your complaint is rendering performance, stop reading and stay on kitty. Almost nothing in the terminal emulator category beats it there, and the ones that come close differ in approach rather than clearly winning. The interesting reasons to look elsewhere are structural.
The Real Limit: One Window Is Not a Workspace
Kitty organizes work into OS windows, tabs, and splits. That model was designed for shells, and it works well up to a point. The pain appears when your workflow outgrows shells alone:
- You run multiple AI coding agents at once, each producing long streams of output you need to monitor in parallel.
- You want documentation or a preview browser next to the terminal, not in a separate app you alt-tab to.
- You keep notes, task lists, or scratch prompts that belong to a project and should live next to its terminals.
- You want to zoom out and see the state of everything at a glance before diving into one session.
You can bolt most of this onto kitty with tmux, layouts, and kittens, and many people do exactly that. But each layer adds keybindings to remember and state that lives in three different places. At some point the question stops being "which emulator" and becomes "which workspace model".
Alternative 1: Stay in the Emulator Category
If you want to keep the classic model of one window, tabs, and splits, several emulators are worth a serious look. They differ in approach, so try two or three before committing.
WezTerm
WezTerm is the closest philosophical neighbor to kitty: GPU rendering, a single binary, and deep configurability, but configured in Lua instead of a flat config file. Its multiplexer is built in, so you can attach and detach sessions without tmux, and its Lua API lets you generate tab titles, workspace switchers, and status bars programmatically. If you like kitty's extensibility but want a more programmable core, this is the natural first stop.
Alacritty
Alacritty takes the opposite stance: minimal features, maximum simplicity. No tabs, no splits, no scrollback search UI beyond the basics. The assumption is that you will pair it with tmux or your window manager. If kitty feels like it has too many moving parts and you prefer composing small tools, Alacritty plus tmux is a clean, fast combination.
Ghostty
Ghostty is a newer emulator that aims for fast native UI on each platform while keeping a simple configuration surface. It has attracted attention for feeling polished on macOS in particular. Its feature set and plugin story are still maturing compared with kitty's kittens, so evaluate it on feel and defaults rather than extensibility.
Terminal Multiplexers as the Real Alternative
For many kitty users the honest alternative is not another emulator at all: it is tmux or zellij doing the heavy lifting while the emulator becomes a dumb, fast renderer. This pairing gives you detachable sessions, layouts you can script, and remote persistence over SSH. The tradeoff is that you now maintain two config files, two sets of keybindings, and a scrollback model that fights with the emulator's unless you tune it. It is a proven stack, but it is a stack.
Alternative 2: Change the Unit of Organization
The tools above all keep the same unit of organization: the window. A different category of tools changes the unit to the project or the canvas. Instead of asking "how do I split this window better", they ask "how do I lay out everything this project needs so I can see it all".
This matters most for agent driven development. When you run Claude Code, Codex CLI, or OpenCode, each agent session is a long lived process you supervise, interrupt, and steer. Supervising three of them in three tabs means constant tab switching and no peripheral vision. Supervising them on a canvas where every session is visible at once is a categorically different experience, closer to a mission control view than to a terminal.
Where Deska Fits
Deska is a free desktop app for Mac, Windows, and Linux built around exactly that idea: an infinite canvas workspace where you place panels anywhere and zoom out to see everything. Panels are not just terminals. The same surface holds terminals, a Monaco code editor, a browser, and notes, so the docs page and the scratch file live inside the workspace instead of in other apps.
For the kitty power user, the concrete differences look like this:
- You can run Claude Code, Codex CLI, and OpenCode side by side as panels, each in its own terminal, and see all of them at once by zooming out. Details are in the coding agents docs and the agents overview.
- The browser and editor panels mean fewer context switches out of the workspace entirely.
- Ask Deska, the built in voice and chat assistant, can drive the workspace: open panels, run commands, and check on sessions while your hands stay on the keyboard or away from it. See Ask Deska and the voice docs.
- It is local-first: your code, files, and sessions stay on your machine, which matches the expectations of people who chose kitty precisely because it is a local, hackable tool. More on that at local-first.
- A mobile app lets you monitor and continue work from your phone through a secure relay, with devices pairing directly and no ports exposed. If you have ever wished you could check on a long running agent session from the couch, that is the remote access model.
Deska is not a drop in kitty replacement and does not try to be. It has no kitten ecosystem and no graphics protocol, and if your workflow is a single shell and a text editor, kitty plus tmux remains an excellent answer. The workspace itself is free, with optional paid tiers for managed AI inference, so trying it costs nothing but an evening.
How to Choose: A Practical Decision Guide
Work through these questions in order and stop at the first clear yes:
- Is your problem rendering speed or font quality? Stay on kitty, tune
kitty.conf, done. - Is your problem session persistence and SSH workflows? Add tmux or zellij, or try WezTerm's built in multiplexer.
- Is your problem that you want a programmable terminal core with one config language? Try WezTerm's Lua API.
- Is your problem that you want minimalism and compose your own stack? Try Alacritty with tmux.
- Is your problem that you supervise multiple agents, browsers, and notes and keep losing track of them? Move to a workspace tool like Deska where the canvas, not the window, is the unit of organization.
Notice that the first four questions are about terminals and the last one is about attention. Most people searching for kitty terminal alternatives in 2025 and beyond are actually hitting the attention problem, because AI agents multiplied the number of processes worth watching. The emulator category cannot solve that by definition; a terminal window, however fast, shows one thing at a time.
Tips for Migrating Without Losing a Week
Whichever direction you go, a few habits make the transition cheap:
- Export your muscle memory first. Write down the ten keybindings you use most in kitty and remap them on day one in the new tool.
- Keep kitty installed. It makes a great fallback renderer and a known good baseline when something feels off elsewhere.
- Migrate one project, not your whole life. Run the new setup on a single repository for a week before deciding.
- If you move to a canvas workspace, resist recreating your old tab layout exactly. The point of zooming out is to arrange panels by project, not to simulate a tab bar.
FAQ
Is there a faster terminal emulator than kitty?
Not in any meaningful, consistent way. Kitty's GPU rendering is at the top of the category, and the emulators that come close, like WezTerm and Alacritty, differ more in philosophy and features than in measurable speed for typical workloads. If kitty feels slow, the culprit is usually shell prompt rendering, a misconfigured font, or scrollback settings, not the emulator itself.
Can I run multiple AI coding agents in one terminal?
Yes, using tabs, splits, or tmux, and many developers do. The limitation is visibility: only one or two sessions are readable at once, and you discover problems in background agents late. Workspace tools that show every agent session simultaneously, like Deska's agent panels, exist specifically because tabbed supervision does not scale past two or three agents.
Does kitty work well on macOS and Linux?
Kitty runs on macOS and Linux and is well maintained on both. On macOS some users prefer emulators with more native UI integration, which is part of Ghostty's appeal, while on Linux kitty is often the default recommendation for a fast, scriptable terminal. Neither platform is the usual reason people look for alternatives; workspace organization is.
Try a Workspace Built for Agent Driven Development
If your kitty setup is fast but your attention is fragmented across tabs, agents, and browser windows, the fix is probably not another emulator. Deska's infinite canvas, agent panels, voice assistant, and local-first storage are free to try on Mac, Windows, and Linux. Download Deska and lay out your next project as a workspace instead of a window.