Note Taking & Knowledge Management Tools · Free desktop apps

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Catalog updated · 14 Oct 2026

Free notes and PDF annotations

WindowsmacOSLinux

Handwrite notes, draw diagrams and annotate PDF files with a desktop app.

Free desktop notes · optional LaTeX setup

16kstars—30 daysGPL-2.0

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Free Markdown writing app

WindowsmacOSLinux

Write Markdown documents, organize research notes and export work from a desktop editor.

Free Markdown editor · selected writing tasks

14kstars—30 daysGPL-3.0

USE INSTEAD OF

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