An infinite canvas webapp for combining text, images, videos, and AI-generated content in a freeform workspace. Can be deployed frontend-only, as a local client/server app, or with a remote server.

Design by rms80, Coding by Claude Code

Check out gsworkspace.com for more info, and a functional demo of Offline mode.

This project began as an experiment to see how far I could get trying to build a nontrivial web app using Claude Code (CC), without as little human intervention in the code as possible. I have provided architectural guidance and debugging help (ie breakpoints, console investigation, etc), but CC has generated all the code. Literally all of it.

This is not a project where I gave CC a high-level spec and asked it to build the entire app. We have gone through hundreds of small incremental steps, adding features and fixing bugs over time. I have guided CC through significant refactors and architectural redesigns.

CC and I have collaborated on many planning steps for larger chunks of work. I have accumulated the various TODO.md plans in user_notes/TODO_history.md. I have also kept a lot of my own notes in ryan_notes_to_self.txt.

gsworkspace provides an infinite pan/zoom canvas where you can:

• Drop and arrange text blocks, images, and videos
• Select / move / resize objects
• Use AI prompts to generate text, images, or HTML content
• Built-in non-destructive editing for Images (crop) and Videos (crop/trim/speed/mute)
• Export and Import entire scenes, or individual parts

• Infinite Canvas - Pan and zoom without boundaries using mouse drag or scroll wheel
• Text Blocks - Add editable text, double-click to edit, auto-resizing
• Images - Drag-drop or paste from clipboard
• Videos - Drag-drop video files with playback controls (play/pause, seek, loop, mute)
• Selection - Click to select, Ctrl+click for multi-select, drag for marquee selection
• Transform - Move, resize
• Edit - Images (crop) and Videos (crop/trim/speed/mute). Edits are non-destructive and can be reverted.

• LLM Prompts - Create prompt blocks that generate text output using Claude or Gemini
• Image Generation - Create image generation prompts using Gemini Nanobanana models
• HTML Generation - Generate formatted HTML/web pages from selected content with spatial awareness
• Model Selection - Choose between different AI models (Claude, Gemini)
• Context Selection - Select text and images to include as context for AI prompts

• Multiple Scenes - Work with multiple scenes using a tabbed interface
• Multiple Workspaces - Workspaces are collections of Scenes
• Auto-Save - Automatic saving with debounce (1 second delay)
• Undo/Redo - Full undo/redo history with keyboard shortcuts (Ctrl+Z, Ctrl+Y)
• Export/Import - Export scenes as ZIP archives or files, import from ZIP
• Conflict Detection - Automatic detection of remote changes with resolution options

• Online (S3) - Cloud storage using AWS S3 via remote server
• Local Disk - Store scenes on local filesystem via local server
• Offline (Browser) - Fully client-side storage using IndexedDB, with optional API key configuration for AI features

• Frontend: React + TypeScript + Vite + Konva (react-konva)
• Backend: Node.js + Express + TypeScript
• Storage: AWS S3 (cloud) or local filesystem
• AI: Anthropic Claude API, Google Gemini API

Node.js 18+ and npm are required. Install Node.js for your platform:

[Windows]  winget install OpenJS.NodeJS.LTS
[MacOS]    brew install node
[Linux]    sudo apt install nodejs npm

1. Clone the repository

2. Install dependencies:

   npm install --prefix frontend && npm install --prefix backend

3. Configure environment variables:

   cp backend/.env.example backend/.env
   # Edit backend/.env with your settings

4. Start development servers (in separate terminals):

   npm run dev --prefix backend
   npm run dev --prefix frontend

5. Open http://localhost:3000 in your browser

A batch script is provided that installs gsworkspace as a local app on Windows:

1. Ensure Node.js is installed (see Prerequisites above)
2. Run install\local\install-windows-localappdata.bat. This script will install and configure a copy of the app in your local user account at %LocalAppData%\gsworkspace.
3. Launch by searching for "gsworkspace" in the Start Menu
4. Optionally add your API keys to %LocalAppData%\gsworkspace\backend\.env for AI features

Backend .env:

# Storage mode: 'online' (S3) or 'local' (disk)
STORAGE_MODE=local

# AWS S3 (required for online mode)
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_REGION=
S3_BUCKET_NAME=

# AI APIs
GSWS_API_KEY_ANTHROPIC=
GSWS_API_KEY_GEMINI=

# Local storage path (for local mode, defaults to ~/.gsworkspace if empty)
LOCAL_STORAGE_PATH=

The Unlicense - Released into the public domain.

Please note that all code files in the project were fully generated by Claude Code. The U.S. Copyright Office has consistently held that purely AI-generated works are not copyrightable, because copyright requires human authorship.