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hanshuaikang/nezha

A lightweight cross-platform IDE for AI coding that runs multiple Claude Code and Codex agent sessions across projects in one window.

Open-source alternative to:Cursor

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What is it?

Nezha is a lightweight desktop IDE built around AI coding agents. It brings multi-project workspaces, live terminals that run native Claude Code and Codex, automatic discovery and visual replay of agent sessions, and a full Git workflow into one interface, so you can switch between projects and tasks without moving between a terminal, an editor, a Git client and session logs.

The app includes notifications that alert you when an agent needs human input, a built-in code and Markdown editor with syntax highlighting, and Git Worktree support. Git features include branch creation, AI-generated commit messages and a code review view. A Skill manager lets you centralize local skills through symbolic links.

The project is written in TypeScript on Tauri, and the installer is about 7 MB. Because the macOS build is unsigned, the README gives a command to clear the quarantine attribute on first launch.

Key features

  • 01Manage multiple Claude Code and Codex sessions across projects in one app.
  • 02Notifications and dock badge when an agent needs your input.
  • 03Visual session history with the ability to resume and pin sessions.
  • 04Native Git integration with AI-generated commit messages and a review view.
  • 05Git Worktree support for working on several branches at once.
  • 06Built-in code and Markdown editor with syntax highlighting.
  • 07Skill management that links local skills from a central location.

Use cases

  • Running several AI coding agents on different repositories at the same time.
  • Reviewing and committing agent-generated changes without leaving the app.
  • Revisiting past agent sessions to see what was changed and why.
  • Working on parallel features with Git Worktree while agents run in the background.

Quick start

  1. 1

    Install the prerequisites: Claude Code or Codex

  2. 2

    On macOS, remove the quarantine flag after installing the app

    xattr -rd com.apple.quarantine /Applications/nezha.app

Things to know

  • Install packages are unsigned, so macOS may block the app until the quarantine flag is removed.
  • Requires Claude Code or Codex to be installed separately before Nezha is useful.
  • Licensed under GPL-3.0, a copyleft license that requires derivative works to remain open source.

Topics

#ai-coding#claude-code#codex#ide#terminal#git-worktree#desktop-app#developer-tools#ai#cursor

FAQ

What is nezha?
A lightweight cross-platform IDE for AI coding that runs multiple Claude Code and Codex agent sessions across projects in one window. Nezha is a lightweight desktop IDE built around AI coding agents. It brings multi-project workspaces, live terminals that run native Claude Code and Codex, automatic discovery and visual replay of agent sessions, and a full Git workflow into one interface, so you can switch between projects and tasks without moving between a terminal, an editor, a Git client and session logs.
Is nezha free to use? What license does it have?
nezha is open source under the GPL-3.0 license. Check the license terms before using it in commercial products.
Is nezha still maintained?
Updated within 6 months. The last commit to nezha was on Sep 17, 2026.
What can I use nezha for?
Running several AI coding agents on different repositories at the same time. Reviewing and committing agent-generated changes without leaving the app. Revisiting past agent sessions to see what was changed and why. Working on parallel features with Git Worktree while agents run in the background.
How do I install nezha?
Install the prerequisites: Claude Code or Codex On macOS, remove the quarantine flag after installing the app: xattr -rd com.apple.quarantine /Applications/nezha.app
Where can I get nezha?
The source code and installation instructions are on GitHub: https://github.com/hanshuaikang/nezha

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