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T1K icon

T1K

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T1K is a native macOS terminal built to lower the load of running many coding agents (Claude Code, Codex, Gemini CLI, Antigravity) side by side.

So much work

Cost / License

  • Free
  • Open Source (MIT)

Application type

Since

  • New

Updated

  • Updated Nov 2026

Platforms

  • Mac
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  • Eran-Goldin added T1K
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    Eran-Goldin added T1K as alternative to PuTTY, Ghostty, Tabby, Kitty terminal and 6 more

T1K information

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OS & Utilities

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T1K was added to AlternativeTo by Eran-Goldin on and this page was last updated .

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What is T1K?

T1K is a native macOS terminal built to lower the load of running many coding agents (Claude Code, Codex, Gemini CLI, Antigravity) side by side.

Every tab shows its agent's state. Only a tab waiting on you turns amber; working tabs spin quietly and the rest fade back. ⌘J jumps to the tab that has waited longest, ⌘O shows every session on one screen with its goal and last recap, and ⌘P finds a tab by what it was doing, its branch, PR or ticket.

Tabs group by project. An outputs panel collects the PRs (with checks and review state), artifacts, files and links each session produced. Tabs and Claude sessions come back after a quit or an update.

Switching is easy: T1K brings over the tabs open in Warp, iTerm2, Terminal, Ghostty, kitty, WezTerm or tmux, and can match your old terminal's font, spacing and colors in one click. 22 built-in themes, theme import (iTerm2, Ghostty, Alacritty, Windows Terminal, base16), free coding fonts installed from the font picker.

Written in Rust with GPUI. Free and open source (MIT). Signed, notarized and updates itself.

Install with Homebrew: brew install --cask erango/tap/t1k