Private, local-first notes linked like a personal wiki.
Notes & knowledge listings
Cards

Obsidian
obsidian.md
Obsidian
Private, local-first notes linked like a personal wiki.

Capacities
capacities.io
Capacities
Object-based notes for connecting ideas.

Tana
tana.inc
Tana
Outliner notes with structured data and AI.

Reflect
reflect.app
Reflect
Fast, encrypted networked notes.

Heptabase
heptabase.com
Heptabase
Visual whiteboards for learning and research.

Logseq
logseq.com
Logseq
Open-source outliner for knowledge.

Craft
craft.do
Craft
Beautiful documents and notes.