swimmingbrain/brainotes

Handwritten notes and a whiteboard in your browser. Write with a pen, keep the pdf next to your notes. No account, nothing leaves the browser.

35 best points · 3 comments · 1 Hacker News post · 74 GitHub stars · View on GitHub

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• Show HN: BraiNOTES, handwritten notes on your lecture PDFs in a browser tab (35 points, 3 comments, by swimmingbrain, 2026-10-11)