Antinote
… a beautiful, fast, and lightweight note-taking macOS app that lets you quickly jot down temporary notes and perform calculations seamlessly.
Definitive App Comparisons
ProNotes
Supercharged Apple Notes
Type – Take notes without interrupting your flow
A macOS app that lets you quickly jot things down.
SiYuan - Privacy-first personal knowledge management system that supports Markdown, block-level ref, and bidirectional links
FSNotes
Modern notes manager for macOS and iOS
Obsidian vs. Roam vs. LogSeq: Which PKM App is Right For You?
Both Obsidian and Roam Research have risen in popularity during the age of the connected note-taker. Find out which PKM app is right for you.
Obsidian
Obsidian – A knowledge base that works on local Markdown files.