Also a good resource to learn more [PDF]: https://strengejacke.files.wordpress.com/2015/10/introduction-into-luhmanns-zettelkasten-thinking.pdf https://strengej

Also a good resource to learn more [PDF]: https://strengejacke.files.wordpress.com/2015/10/introduction-into-luhmanns-zettelkasten-thinking.pdf https://strengejacke.files.wordpress.com/2015/10/introductio... The author of those slides is Daniel Lüdecke, who created Zkn3.