Open-source IDE Cate lets you orchestrate coding agents on a canvas
Cate is an MIT-licensed, open-source desktop IDE built around an infinite canvas, letting editors, terminals, browsers, , and be arranged spatially instead of hidden behind separate tabs. It supports terminal-based agents like Claude Code, Codex, and OpenCode, plus an that runs parallel agent attempts in isolated , verifies them, and presents results for review, merge, PR, or discard. A companion cate CLI lets agents control browser panels, inspect snapshots, take screenshots, open files, and manage panels.
It also offers remote workspaces over SSH and an extension system for custom panels, MCP integrations, and other development tools. Users bring their own accounts or existing agent .
Key points
- MIT-licensed open-source desktop IDE arranging editors, terminals, browsers, and agents on an infinite canvas
- Supports terminal-based agents including Claude Code, Codex, and OpenCode
- Runs parallel agent attempts in isolated , verifies them, then lets you review, merge, PR, or discard
- cate CLI lets agents control browser panels, check snapshots, take screenshots, and manage files/panels
- Supports remote SSH workspaces and an extension system including MCP integrations