2019

• The Zettelkasten as a Lattice of Thought Strings by @gescho (September)
• Trust the Process by @nickmilo22 (August)

2017

• Using Trello as a Zettel Note Archive by Nick (January)

2015

• OneNote Review by DutchPete (December)
• Switching from Zkn³ to a Plain Text Approach by Erik Pfeiffer (September)

2014

• DEVONthink as a Zettelkasten Note Archive by Marko Wenzel (December)