#writebook
Live, measured metrics for the hashtag #writebook from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #writebook
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.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-29 20:49 UTC0 uses by 0 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 2026-07-29 20:49 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-29 20:49 UTCEverything below is measured over the latest 9 public posts (spanning ~15137 hours).
Posting hours (UTC)
Languages: English (9)
Avg boosts / post: 0.3
Top of the latest posts
🌳 Recursive entries via parent_id — enabling nested hierarchies like threaded comments, email topics with messages & private notes 📝 Immutability: create new versions instead of updating — Entry is a pointer to current state with full edi
Did 37Signals Just Accidentally Make Writebook Open Source? When 37Signals launched Writebook in 2024, it was under their ONCE License Agreement. Notably, that license "does not include the rights to publish, distribute, sublicense, and/or
If you want to see what this workshop is about I started publishing some long form articles at https://booklet.goodenoughtesting.com (used the #writebook as platform)
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/writebook