Obsidian is a powerful knowledge base (PKM?) that works on top of a local folder of plain text Markdown files. https://obsidian.md/ (Note-taking app)

Obsidian is a note-taking and knowledge management app by the people who created Dynalist, a popular online outliner and one of my favorite tools.

not open-source

but free https://obsidian.md/pricing

• though Obsidian Publish is $192/year! https://obsidian.md/publish

Probably the Simplest Future-Proof Note-Taking App.

Nov04'2022 trying it out

Nov04: download latest Mac version, install

• create-new-vault - pick my docs/personal folder, hrm it doesn't create parent Obsidian folder
• split window, and stuff seems to be happening in skinny/left side...
• copy Possible Personal Finance Actions from garden → file Possible Personal Finance Actions.md ugh spaces!?!?
• I quit, make parent-folder/move, re-launch: ~/personal/obsidian/wiki/
• "open today's daily note: → has title 2022-11-04 and file 2022-11-04.md