Nimbalyst - The Best Way to Work With Claude Code

Nimbalyst is a free, local, interactive visual editor & session manager.

• Iterate with Claude Code on your sessions, markdown, mockups, diagrams, csv, Excalidraw, data models, MCP, and code. Approve CC's changes in red/green WYSIWYG, edit, annotate, iterate visually. 
• Manage multiple sessions in parallel, search, resume, link sessions to files and files to sessions. For developers we include git management, AI commit, workstreams, worktrees, and terminal. 

Features

• Files Mode: Visual Editor with Claude Code
  • Edit markdown in a local, WYSIWIG, agentic editor powered by Claude Code. Review AI changes as red/green diffs.
  • Iterate with AI on html mockups. Annotate, edit, embed, & use to code.
  • Use Claude Code to build excalidraw drawings and Mermaid diagrams. Visually edit yourself. Ask AI to edit them.
  • View CSV file, work with Claude Code in the CSV file, track changes.
  • Build your data model with AI based on your code and docs. Use it to write better code.
  • Work in a Monaco code editor, see changes, approve them
• Agents Mode: Manage agents' work across parallel Claude Code sessions in a UI
  • Link sessions to files and files to sessions
  • Open files in your sessions. Group files touched by a session
  • Run parallel sessions
  • Search and resume sessions
• Task Mode: Track items and to dos
• For developers
  • Manage git state
  • Use AI to git commit
  • Use embedded ghostty terminal
  • Leverage workstrees
• Open storage of content and status in markdown, workflow in Claude Code / commands, and plain files on disk or in git

ScreenShots

Download

Download the latest version for your platform:

Platform	Download	Requirements
macOS Apple Silicon	Download .dmg	macOS Apple Silicon 10.15+
macOS Intel	Download .dmg	macOS Apple Silicon 10.15+
Windows	Download .exe	Windows 10+
Linux	Download AppImage	Linux

Getting Started

1. Create a new (or open existing) document - Click "New" or press Cmd/Ctrl+N
2. Write in markdown - Write/edit in the WYSIWYG editor
3. Use AI assistant - Ask AI to research, edit the document, work across your files
4. Accept/Reject AI changes - Step through suggested AI edits, accept/reject
5. Work in Agent Manager - Switch to the agent manager view and run multiple agent sessions in parallel
6. Search/Resume sessions - Search and resume sessions, manage your work

Auto-Updates

Nimbalyst automatically checks for updates and notifies you when a new version is available. You can also manually check via Help → Check for Updates.

Bug Reports & Feature Requests

Found a bug or have a feature request? Please create an issue.

Community

• Documentation - Watch videos and read documentation
• Discord - Join the discussion on Discord
• Website - Learn more about Nimbalyst on our website

License

Nimbalyst is proprietary software. All rights reserved. © 2026 Nimbalyst.

Acknowledgments

Built with:

• Electron
• Lexical by Meta
• React

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Note: This is the public releases repository.