Show HN: BraiNOTES, handwritten notes on your lecture PDFs in a browser tab

Category: devtools

Tags: handwriting, pdf-annotation, note-taking, local-first, browser-app

Score: 7.3/10 (Innovation: 6, Technical: 8, Documentation: 8, Utility: 7)

braiNOTES is a browser-based handwritten note-taking app that integrates PDFs and whiteboards, designed for lectures. It features pen pressure, multiple tools, local-first storage, and a bridge server for AI agents, offering a compelling alternative to native note apps with strong technical execution.

Target audience: students, researchers, and anyone taking handwritten notes on digital documents

Repository: https://github.com/swimmingbrain/brainotes · TypeScript · MIT · 63 stars

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