https://adithyab.in/how-i-use-tiddlywiki-to-build-my-zettelkasten.html
I use tiddlywiki to build my pseudo-Zettelkasten and thought I'll share some things about my process.
usetiddlywikibuildzettelkastenadithya
https://forum.zettelkasten.de/discussions/p90
Discussion about writing and research productivity methods.
zettelkastenforum
https://www.cosmocode.de/en/projects/badw/
Modern Zettelkasten application for Ancient Studies research
digitalzettelkasten