# Cate [Agentic development environments](https://www.agentlist.io/categories/agentic-development-environments)0-AI[Last checked Nov 12, 2026](https://www.agentlist.io/changelog) Cate is an open-source infinite-canvas IDE for running parallel coding agents, with editor, terminal and browser panels in one spatial workspace. [Visit Cate](https://cate.cero-ai.com/) - [cate.cero-ai.com](https://cate.cero-ai.com/) - [github.com/0-AI-UG/cate](https://github.com/0-AI-UG/cate) - Open source (MIT) - Desktop app - Git worktrees - Shared workspaces ## At a glance **Who it's for**: Developers running several Claude Code or Codex sessions on separate git worktrees who want to see them all at once. **What does it do?**: An infinite zoomable canvas for coding. Run Claude Code, Codex or any agent CLI in a terminal panel and the canvas shows whether each agent is working, finished or waiting on you. One click creates a git worktree with its own territory on the canvas. [github.com (source for What does it do?)](https://github.com/0-AI-UG/cate) [cate.cero-ai.com (source for What does it do?)](https://cate.cero-ai.com/) **Where does it run?**: Desktop app for macOS (DMG, Homebrew cask), Windows (installer) and Linux (AppImage, DEB). Workspaces can run on a remote machine and be shared across computers and an iPhone. [github.com (source for Where does it run?)](https://github.com/0-AI-UG/cate) **What does it cost?**: Free and open source under MIT. [github.com (source for What does it cost?)](https://github.com/0-AI-UG/cate) **Which agents does it work with?**: Claude Code, Codex or any agent CLI. Supported CLIs report turn start, turn end and permission prompts to the panel. [github.com (source for Which agents does it work with?)](https://github.com/0-AI-UG/cate) **Who makes it?**: 0-AI-UG, a GitHub organization (the site is on cero-ai.com). MIT licensed. [github.com (source for Who makes it?)](https://github.com/0-AI-UG/cate) ## Common questions What is Cate? Cate is an open-source infinite-canvas IDE for running parallel coding agents, with editor, terminal and browser panels in one spatial workspace. Who is Cate for? Developers running several Claude Code or Codex sessions on separate git worktrees who want to see them all at once. How much does Cate cost? Free and open source under MIT. Checked against the vendor's pages on Nov 12, 2026. Plans change often, so confirm before you decide. Does Cate run locally or in the cloud? Cate runs in the vendor's cloud. You use it through chat apps and an API. What are alternatives to Cate? See the Agentic development environments shortlist for the other options. [See all agentic development environments](https://www.agentlist.io/categories/agentic-development-environments) --- Source: [Cate: pricing & alternatives | agentlist.io](https://www.agentlist.io/systems/cate). This is the public page rendered as Markdown; interactive controls require the website.