CFD Penney - Collaborative Annotation Tool

URL: https://codefrydev.in/CFDPenney/
Desktop App: https://github.com/codefrydev/CFDPenney/

Description: A free, open-source collaborative annotation tool for real-time drawing, screen sharing, video calls, chat messaging, and image annotation. Available as both a web app and desktop application (Windows, macOS, Linux). Features infinite canvas mode for unlimited creative space.

Key Features:
- Real-time collaborative drawing via WebRTC peer-to-peer
- Screen annotation overlay (desktop app)
- Virtual whiteboard mode
- Infinite canvas mode (Penney page) with pan and zoom
- Video calls and camera sharing for face-to-face collaboration
- Real-time chat messaging with file attachments and emoji reactions
- Image upload and annotation
- Multiple drawing tools (pen, arrow, shapes, text, eraser, stickers)
- Advanced selection and grouping tools
- Color customization with custom picker
- Stroke width adjustment
- Fill support for shapes
- Undo/redo functionality
- Snapshot export
- Dark/light theme support
- Code-based session joining (6-character codes)
- No account required

Platforms:
- Web App (browser-based)
- Desktop App (Windows, macOS, Linux)

Pages:
- Landing Page: https://codefrydev.in/CFDPenney/
- Web App: https://codefrydev.in/CFDPenney/canvas.html
- Infinite Canvas (Penney): https://codefrydev.in/CFDPenney/penney.html
- Privacy Policy: https://codefrydev.in/CFDPenney/privacy.html
- Terms & Conditions: https://codefrydev.in/CFDPenney/terms.html

SEO Optimization:
- Comprehensive JSON-LD structured data (Organization, WebSite, SoftwareApplication, Product, HowTo, BreadcrumbList, FAQPage schemas)
- Open Graph tags for social media sharing
- Twitter Card meta tags
- Complete sitemap.xml with all pages
- Optimized meta descriptions and keywords

Use Cases:
- Team collaboration and brainstorming
- Code reviews and technical tutorials
- Educational presentations and teaching
- Design feedback and reviews
- Screen annotation and tutorials
- Visual communication for remote teams

Technology: Web-based (HTML5, JavaScript ES6+, WebRTC, PeerJS) and Electron-based desktop application.