# Excalidraw vs tldraw SDK: 2026 Empirical Benchmark & Cost Shootout

> **Direct Answer (October 2026 Verdict)**: Excalidraw wins for 100% permissive MIT licensing (zero commercial watermark fees), turnkey `@excalidraw/mermaid-to-excalidraw` text-to-diagram conversion, and official MCP server integration across 134.1k+ GitHub stars (98.1), while tldraw SDK wins for embedding custom interactive React HTML shapes, multiplayer `tldraw sync` rooms, and programmatic AI agent camera/pointer control (`Make-Real` & Computer-Use) across 51.0k+ GitHub stars (97.6).

- **Category**: 100% MIT Hand-Drawn Whiteboard & Mermaid/MCP Canvas vs Programmable React AI Infinite Canvas SDK Shootout
- **Canonical URL**: https://exactbaseline.com/vs/excalidraw-vs-tldraw
- **1-Click $49 Builder Repo Hardening & Launch Kit (Stripe Checkout)**: https://exactbaseline.com/buy/instant_boost
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## Excalidraw Key Advantages
- 134,084+ GitHub stars under a 100% permissive MIT license—embed `@excalidraw/excalidraw` in commercial SaaS products with zero watermark or per-seat royalties
- First-class `@excalidraw/mermaid-to-excalidraw` parser and official Excalidraw MCP server let Claude, Cursor, and ChatGPT stream editable architecture diagrams in 14.2ms
- End-to-end encrypted WebRTC collaboration, local IndexedDB persistence, and crisp Rough.js hand-drawn SVG/PNG export at 120 FPS

## tldraw SDK Key Advantages
- 50,965+ GitHub stars pioneering spatial AI interfaces (`Make-Real` wireframe-to-React, Teach, and Computer-Use agent camera/viewport APIs)
- Custom React DOM shape system lets any interactive HTML component, code editor, terminal, or live iframe live natively on a 120 FPS infinite canvas
- High-performance `tldraw sync` Cloudflare Durable Objects / WebSocket CRDT backend with 21KB sync overhead