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106 lines
4.3 KiB
Plaintext
106 lines
4.3 KiB
Plaintext
---
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title: "tty7"
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sidebarTitle: "Introduction"
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description: "A terminal workbench: persistent sessions, remote work, agents."
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mode: "wide"
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---
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<Frame>
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<img src="/images/hero.webp" alt="tty7 showing a sidebar of agent sessions across several repositories" />
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</Frame>
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tty7 is a terminal you can leave running. Close the window, reboot the machine,
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walk to a different laptop — the shells you started are still there, and so are
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the coding agents you left working in them.
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It is written in Rust, renders on the GPU through Zed's
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[gpui](https://github.com/zed-industries/zed), and parses VT with Alacritty's
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terminal core. In practice that means roughly twice the throughput of Alacritty,
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Ghostty, or Kitty on a big `cat`, and a frame rate that does not fall over when
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something floods the screen.
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## What makes it different
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<CardGroup cols={2}>
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<Card title="Sessions that outlive the app" icon="power-off" href="/getting-started/concepts">
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A background server owns your shells, not the window. Quit tty7 and your
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builds keep building. No tmux to learn or configure.
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</Card>
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<Card title="Editor-grade input" icon="keyboard" href="/terminal/prompt">
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Ghost suggestions from your history, tab completion that explains each flag,
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syntax highlighting, click-to-place-caret, real multi-line editing.
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</Card>
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<Card title="Agent-aware" icon="robot" href="/agents/overview">
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22 coding CLIs are recognised on sight. Per-pane status dots, notifications
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when one needs you, git context, and session resume after a reboot.
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</Card>
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<Card title="Remote work that feels local" icon="server" href="/remote/workspaces">
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A native Rust SSH stack with profiles, SFTP, and port forwarding — plus
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remote workspaces where files, repos, and panes all stay on the far machine.
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</Card>
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<Card title="Git where you are looking" icon="code-branch" href="/git/source-control">
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Branch and diff counts on every sidebar row, a source control panel, a diff
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overlay, and worktrees in one dialog.
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</Card>
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<Card title="Scriptable" icon="terminal" href="/cli/overview">
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A bundled `tty7` CLI that opens panes, sends keys, reads screens, and blocks
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until an agent needs you — so scripts and agents can drive the workbench.
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</Card>
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</CardGroup>
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## Start here
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<Steps>
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<Step title="Install it">
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Native builds for macOS, Windows, and Linux.
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[Installation →](/getting-started/installation)
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</Step>
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<Step title="Set it up">
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Five minutes of settings that pay for themselves.
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[First launch →](/getting-started/first-launch)
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</Step>
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<Step title="Learn the three words">
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Workspace, tab, pane — and the server underneath them.
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[Core concepts →](/getting-started/concepts)
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</Step>
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</Steps>
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## How fast, exactly
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Same machine, same day, same 155×40 grid — Apple M1 Pro, macOS 26.3.1,
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five-run averages.
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| | **tty7** | Alacritty | Ghostty | Kitty |
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|---|---:|---:|---:|---:|
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| Plaintext I/O — 11 MB `cat` <sub>(lower is better)</sub> | **95 ms** | 239 ms | 179 ms | 185 ms |
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| [DOOM-fire](https://github.com/const-void/DOOM-fire-zig) frame rate <sub>(higher is better)</sub> | **888 fps** | 485 fps | 552 fps | 617 fps |
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| Cold-launch memory | 116 MB <sup>1</sup> | 105 MB | 128 MB | 130 MB |
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<sub><sup>1</sup> GUI 105 MB plus the persistent server at 11 MB.</sub>
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The methodology and a one-command reproduction live in
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[`scripts/bench/`](https://github.com/l0ng-ai/tty7/tree/main/scripts/bench).
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Three decisions account for most of it:
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- **The PTY is read at device speed** and parsed in large batches, off the
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render path — so drawing never throttles reading.
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- **The hot paths are lock-free.** A big `cat` never waits on the renderer.
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- **The server buffers up to 16 MiB** ahead of the window before backpressure
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applies, which is enough that a flood finishes writing while the window is
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still catching up.
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## Getting help
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<CardGroup cols={3}>
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<Card title="Discord" icon="discord" href="https://discord.gg/s3dethqz2V">
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Ask a question, show what you built.
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</Card>
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<Card title="Issues" icon="github" href="https://github.com/l0ng-ai/tty7/issues">
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Bugs and feature requests.
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</Card>
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<Card title="Changelog" icon="list" href="https://github.com/l0ng-ai/tty7/blob/main/CHANGELOG.md">
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Everything that shipped, release by release.
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</Card>
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</CardGroup>
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