A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage
Not given
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Founded
Not given
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Free: $0/month with 1 workspace, 1 project, 25 agent threads/month. Pro: $24/month (includes 1 paid seat, each extra $7/month or $9/month yearly) with unlimited projects and agent threads. Team: $49/month (includes 1 paid seat, each extra $12/month or $15/month yearly) with unlimited workspaces.
Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features
Annotate any page element with feedback
Chrome extension for instant feedback
Automatic feedback classification
Screenshots captured with every pin
Integration with AI agents via MCP
Source code context with Skyelight Build
Guest feedback without account
Slack and Linear integrations
REST API for custom integrations
Accessibility checks on elements
Instant copy-to-clipboard as PNG
No accounts or setup required
Local-first storage with auto-save
Screenshot annotation with arrows, boxes, text, and freehand tools
AI diagram generation via Claude, Cursor, Windsurf, and VS Code
Refine diagrams through chat
Paste screenshot from clipboard
Unlimited sketches in one folder
Native macOS performance
All drawing tools included in free version
What makes it different
Passes feedback directly to coding agents to implement fixes
Captures browser errors and failed requests with each pin
Works on any page without code changes
Free reviewers and guest feedback on paid plans
Automatically classifies feedback as bugs, ideas or feedback
Zero-friction design: open, draw, and share in seconds with no setup or accounts
Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
AI integration runs through your own subscription with no proxying of prompts
Skyelight
Chalk