21 tools
NotionFree · $10/mo4.8The all-in-one workspace that doubles as a flexible knowledge base.
MacWindowsiOSAndroidWeb
All-in-oneDatabaseTeams
ObsidianTop ratedFree · Sync $4/mo4.7Local-first linked notes with a graph and a huge plugin scene.
MacWindowsLinuxiOSAndroid
Local-firstGraphPlugins
HeptabaseNew$12/mo4.5A visual whiteboard for connecting notes and mapping complex topics.
MacWindowsiOSWeb
WhiteboardVisualPKM
CodaFree · $10/mo4.5Docs that behave like apps, with tables and automations built in.
WebMaciOSAndroid
DocsDatabaseTeams
NuclinoFree · $6/mo4.5A lightweight, fast team wiki that links related docs together.
WebMacWindows
TeamsWikiFast
TanaFree · $10/mo4.4Supertags turn an outliner into a flexible knowledge database.
WebMac
OutlinerAIDatabase