Claude Code GUI

You have a Claude Code GUI. Now you need a workspace.

Claude Code Desktop gives you a chat window. Nimbalyst gives you multi-session management, visual editors for mockups, diagrams, and data models, planning tools, and a mobile app — all built on top of Claude Code.

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Also available for: macOS Apple Silicon macOS Intel Windows Linux
Nimbalyst — Claude Code GUI and visual workspace

Claude Code now has a GUI. So why Nimbalyst?

The Claude Code CLI is powerful but lives in your terminal. Claude Code Desktop launched in 2026 with a clean graphical interface, Cowork for pair programming, and Dispatch for background tasks. Both are solid official surfaces for working with a single Claude Code session.

A GUI is not a workspace though. Once you are running concurrent Claude Code sessions, doing real Claude Code session management across branches, reviewing diffs file by file, sketching architecture diagrams, reviewing agent changes in markdown, mocking up UI, and tracking tasks, a chat window stops being enough. That is what Nimbalyst is built for.

Why Nimbalyst

What a workspace adds beyond a GUI

WYSIWYG markdown editor

WYSIWYG markdown editor

Write specs, plans, and documentation in a rich WYSIWYG editor. Your agent sees the full document and project context — edit by hand or let AI draft, rewrite, and restructure.

Visual diff review

Visual diff review

Review AI-generated changes file by file with inline red/green diffs. Accept, reject, or edit each change before it lands — including markdown, code, and config files.

Visual editors

Visual editors

Mockups, Excalidraw diagrams, data models, spreadsheets, and markdown — all inside the workspace where your agent already has codebase context.

Session kanban

Session kanban

See all your Claude Code sessions on a kanban board. Search, filter, resume, and monitor agents across branches — not one chat window at a time.

Task management

Task management

Track tasks, bugs, and ideas alongside your agent sessions. Plan the work and execute it in the same environment — no separate project tracker needed.

Codex support

Codex support

Run Claude Code and OpenAI Codex side by side. Choose the best engine for each task, with shared workspace features, session management, and diff review.

Open source

The Nimbalyst desktop and iOS apps are MIT licensed and on GitHub. You can audit the app, fork it, and contribute fixes. No black box between you and your agent.

Comparison

Claude Code Desktop vs Nimbalyst

Feature Claude Code Desktop Nimbalyst
Chat interface Yes Yes
Session management Single session per window Multi-session kanban with search, filter, and resume
Parallel agents Dispatch (background tasks) 6+ parallel sessions with unified status view
Visual editors None Markdown, mockups, diagrams, data models, spreadsheets, code
Diff review Basic File-by-file visual diffs with accept/reject per change
Planning & task tracking None Built-in task tracker, plans, and structured documents
Mobile app None iOS app for session monitoring and review
Codex support Claude only Claude Code and OpenAI Codex
Git worktree isolation None Optional one-click worktree per session
Extensions MCP servers MCP servers + custom visual editor extensions
Source code Closed source Open source on GitHub (MIT)

FAQ

Frequently asked questions

Claude Code CLI vs GUI vs workspace: what's the difference?
The Claude Code CLI is the terminal binary Anthropic ships. A Claude Code GUI is any graphical interface around it, including the official Claude Code Desktop and lighter wrappers like Opcode. A workspace goes further: Nimbalyst gives you Claude Code session management for concurrent sessions, a kanban board for your agents, file-by-file diff review, visual editors for markdown, mockups, and diagrams, planning tools, and a mobile companion app, all on top of the same Claude Code CLI underneath.
Can Nimbalyst run concurrent Claude Code sessions?
Yes. Nimbalyst is built for running concurrent Claude Code sessions. Six or more in parallel is normal usage. Each session shows on a kanban board with status, tags, and an optional one-click git worktree so the sessions do not stomp on each other. For a deeper look at the category, see our comparison of Claude Code session manager tools.
Is Nimbalyst a replacement for Claude Code?
No. Nimbalyst runs Claude Code underneath. It is a workspace layer built on top of it. You get the full power of Claude Code plus session management, visual editors, planning tools, and mobile access.
Does Nimbalyst work with Claude Code Desktop?
Nimbalyst is a separate application that runs Claude Code directly (not through Claude Code Desktop). It provides its own GUI with additional workspace features like multi-session management, visual editors, and a mobile app.
What is the best Claude Code GUI in 2026?
The best GUI depends on your workflow. Claude Code Desktop is the clearest official option. Opcode (formerly Claudia) is a lightweight open-source wrapper. Nimbalyst is the full workspace with multi-session management, visual editors, planning, and mobile access. See our full comparison of Claude Code GUI tools.
Can I use Claude Code in a visual interface?
Yes. Nimbalyst provides a visual interface for Claude Code with a session kanban board, inline diff review, WYSIWYG editors for markdown, mockups, diagrams, and data models, and a mobile companion app. Download Nimbalyst free to try it.
Is Nimbalyst free?
Yes. Nimbalyst is free for individual use. You bring your own Anthropic API key (or Claude Pro/Max subscription) for Claude Code, and your own OpenAI API key for Codex.
Is Nimbalyst open source?
Yes. The Nimbalyst desktop and iOS apps are MIT licensed and the full source is on GitHub. You can read every line, audit how they talk to Claude Code, run them locally, fork the project, or contribute fixes.

Learn More

Related guides and comparisons

Best Claude Code Session Manager (2026)

Side-by-side review of every Claude Code session manager for concurrent sessions.

Best Claude Code GUI Tools (2026)

A comprehensive comparison of every Claude Code GUI on the market.

Claude Code Desktop App

The open-source Claude Code desktop app for macOS, Windows, and Linux.

Visual Editor for Claude Code

Inline AI diffs across markdown, mockups, diagrams, code, and data models.

Kanban for Claude Code

Run multiple Claude Code sessions on a kanban board with phases and worktrees.

Parallel Claude Code Sessions

Run six or more Claude Code sessions in parallel with optional one-click worktree isolation per session.

Codex GUI & Workspace

The visual workspace for building with OpenAI Codex.

Nimbalyst vs Claude Code Desktop

Detailed side-by-side comparison of features, workflows, and tradeoffs.

Nimbalyst vs Claude Code CLI

Side by side: visual workspace vs the bare terminal agent.

Nimbalyst vs Opcode (formerly Claudia)

How Nimbalyst compares to the most popular open-source Claude Code GUI.

Session Management

Deep dive into multi-session kanban, search, and parallel agent orchestration.

Nimbalyst is the open-source visual workspace for building with Codex, Claude Code, and more

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Also available for: macOS Apple Silicon macOS Intel Windows Linux