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Cate

github.com/0-AI-UG/cate Code Editors & IDEs Open-source projectOpen source

Cate provides a spatial coding workspace with editor, terminal, and browser panels.

Visit Cate 22 alternatives
github.com/0-AI-UG/cate
Cate homepage screenshot

About Cate

Cate is an open-source IDE built around an infinite, zoomable canvas that acts as a spatial coding workspace. It places editor, terminal, browser, and viewer panels on the canvas or in a dock; panels can float, dock into tabs or splits, detach into separate windows, and layouts persist per project. It is oriented toward parallel coding agents, with agent-aware terminals that show running, waiting, or finished states and notify when input is needed, plus integrated agent chats for tools such as Codex, Claude Code, Cursor, Grok, OpenCode, and Antigravity.

Cate can create git worktrees and branches for separate workstreams, keep agent sessions across restarts with scrollback and resume commands, and connect to remote hosts over SSH or WSL so terminals, git, search, and agents run remotely while editors, browser, and canvas stay local. Prebuilt releases are listed for macOS, Windows, and Linux; the repository advises against building from source for daily use. The project is MIT-licensed, and pricing is not stated on the repository page.

Key features

  • Infinite zoomable canvas for terminal, Monaco editor, browser, and viewer panels.
  • Panels float, dock into tabs or splits, or detach; layouts persist.
  • Agent-aware terminals show status and notify when input is needed.
  • Integrated agent chats with streaming output, tool calls, and approvals.
  • Git worktrees for parallel branches from local, remote, or open PR.
  • Remote development over SSH or WSL with local editor, browser, and canvas.
Best for: Developers who run multiple coding agents on separate branches and want a spatial workspace to track their status and outputs.
Good for
  • Open-source codebase under the MIT license.
  • Prebuilt releases are available for macOS, Windows, and Linux.
  • Agent sessions can survive restarts with scrollback and resume commands.
Watch out for
  • Building from source is not recommended for daily use; prebuilt releases are the suggested install path.
  • Agent-aware terminal status and notifications depend on supported agent CLIs.

Cate at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
open sourceprogramming

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Cate FAQ

What can be placed on the canvas?
Terminals, Monaco editors, browsers, PDF/image/DOCX viewers, and nested canvases. Panels can float, dock into tabs or splits, or detach into their own window.
How does Cate handle agent sessions after a restart?
When the project is reopened, terminal sessions come back with their scrollback and each agent is reattached with its own resume command.
Can Cate run development tools on a remote host?
Yes. Point Cate at a host over SSH or WSL; terminals, git, search, and agents run there, while editors, browser, and canvas stay local.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 12, 2026 · How we rank