#zettelkasten

Live, measured metrics for the hashtag #zettelkasten from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #zettelkasten

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$5.00/ year · 12-character #name
Claim #zettelkasten — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
5
Uses / 7 days
Mastodon
5
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.5
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-28 10:11 UTC
0
09-22
0
09-23
1
09-24
1
09-25
1
09-26
2
09-27
0
09-28

5 uses by 5 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-28 10:11 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-28 10:11 UTC

Everything below is measured over the latest 40 public posts (spanning ~1432 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (25) · German (10) · Russian (4) · Czech (1)

Avg boosts / post: 0.7

Top of the latest posts

  • @itskamrankhan In a free/libre and extremely capable software called #orgmode whose limits are only bound by the limits of your imagination. (1) Through #FOSS and (in contrast to #Markdown (3)) well designed and easily re-used clear text da

    Karl Voit :emacs: :orgmode:@[email protected]♥ 6↻ 52026-08-09 11:03 UTCView post →
  • The second edition of the "Efficient Note-taking in Emacs with Howm" tutorial was published a year ago. It is still the nerdiest and geekiest thing I have ever written. https://emacs101.github.io/howm.html But I'm working on another book ab

    qnnnp@[email protected]♥ 4↻ 42026-08-06 18:22 UTCView post →
  • Ugh. I have been so overworked (in a part-time job, FFS) that I've just been randomly throwing notes into my #Obsidian inbox or leaving them to languish, lost and forgotten, in my Daily Notes or my physical #notebooks . And so today I set o

    Inveterate Docsplainer@[email protected]♥ 3↻ 12026-08-05 15:55 UTCView post →

What “zettelkasten” means

Wikipedia

A Zettelkasten or card file consists of small items of information stored on Zetteln, paper slips or cards, that may be linked to each other through subject headings or other metadata such as numbers and tags. It has often been used as a system of note-taking and personal knowledge management for research, study, and writing.

“Zettelkasten” on Wikipedia (CC BY-SA) →

#zettelkasten across platforms

every network with a public tag surface

Follow #zettelkasten straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/zettelkasten