The Best 5 Zkn (Zettelkasten) Alternatives

  • DEVONthink

    DEVONthink is a solution to the digital age conundrum. It is your second brain, the one and only database for all your digital files, be they PDFs, emails, Word docs or even multimedia files.

    Commercial Mac OS X

  • ConnectedText

    ConnectedText is a powerful but simple information management system. It is based on wiki principles and is a free-form note-taking and note-management application that allows you to keep an unlimited number of notes in one or many files.

    Commercial Windows