Compare OpenBoard with Alternatives
See how OpenBoard compares against proprietary cloud SaaS platforms and browser-only sketchpads for engineering diagrams and AI agent automation.
OpenBoard vs Excalidraw: Secure Local-First Open Source Board
While Excalidraw popularized browser sketching with a hand-drawn style, OpenBoard is engineered specifically for modern developer workflows and autonomous AI agents with native SQLite storage, 13 MCP tools, and live SSE streaming.
OpenBoard vs Miro: Why Developers Choose Secure Local Whiteboards
Miro requires enterprise cloud subscriptions and transmits proprietary system architecture to remote servers. OpenBoard delivers an ultra-fast, local-first infinite canvas stored safely on your machine in SQLite with zero telemetry.
OpenBoard vs tldraw: Full Workspace & MCP Server vs Raw Canvas Library
While tldraw provides a magnificent canvas SDK, OpenBoard delivers the complete batteries-included workspace application for developers who want instant multi-board management, local SQLite persistence, and AI agent integration out of the box.
High-Level Capability Matrix
Direct comparison across security, local SQLite persistence, AI agent integration, and licensing.
| Capability | OpenBoard | Excalidraw | Miro | tldraw SDK |
|---|---|---|---|---|
| Local SQLite Persistence | ✓ Yes (~/.openboard) | Browser Cache | Cloud Only | DIY Custom |
| AI Agent (MCP) Native | ✓ 13 Semantic Tools | None | REST API (Paid) | Raw Canvas SDK |
| Zero Cloud Telemetry | ✓ 100% Air-Gapped | Opt-out required | Mandatory Cloud | Depends on host |
| Cost & Licensing | ✓ Free / MIT | Free / Paid SaaS | $8 - $16 / seat / mo | Commercial SDK license |
| Live SSE Browser Projection | ✓ Built-in SSE | None | Websockets (Cloud) | DIY sync server |