Nexion

What it does

If you work with Claude Code, Codex, or Gemini in a terminal, you bounce between five apps all day. Nexion puts them in one native macOS window: Ghostty terminal, WebKit browser with isolated profiles, file manager, Git with AI commit messages, tmux session manager, Excalidraw canvas, notes, plugins, and a CLI with IPC socket. Bring your own keys for Anthropic, OpenAI, Codex, Gemini, or GitHub Models. Apple Silicon, macOS 15+. Not Electron.

Nexion is a native macOS desktop app for developers who work with AI coding agents. Terminal, browser, files, Git: one window, zero switching.

Terminal, browser, files, Git and Canvas in one window, and your agent can use all of it: open a page and read it, draw you a diagram, drive the simulator. A companion app puts the whole workspace in your pocket. Nexion isn't another coding agent. It's the workspace where all your coding agents work. AI agents need a terminal, you need a browser, files, and Git. That's 4 to 5 windows fighting for your attention. GPU-accelerated Metal rendering, infinite split panes, 458 color schemes, and a native tmux session manager with SSH auto-discovery. Terminal docs Not just a window your agent works in: one it can work with. Claude Code, Codex, Gemini and opencode get typed tools the moment they…from nexion.one

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