#foss

Live, measured metrics for the hashtag #foss 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 #foss

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.

$2,449.80/ year · 4-character #name
Claim #foss$2,449.80/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
407
Uses / 7 days
Mastodon
333
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~2.2/hr
Recent pace
Mastodon · last 40
0.6
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 2026-09-07 14:45 UTC
68
09-01
60
09-02
75
09-03
57
09-04
52
09-05
64
09-06
31
09-07

407 uses by 333 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 2026-09-07 14:45 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-07 14:45 UTC

Everything below is measured over the latest 40 public posts (spanning ~18 hours).

Posting hours (UTC) — busiest: 20:00

00:0012:0023:00

Languages: English (31) · French (3) · German (1) · Dutch (1) · Spanish (1)

Avg boosts / post: 1

Top of the latest posts

  • Will containers replace VMs? That was once the debate. Today, containers often live inside VMs: Virtual machines provide infrastructure isolation, while containers handle application distribution and execution. Learn how they complement eac

    Linux Professional Institute@LPI322026-09-07 14:24 UTCView post →
  • Zelf gebruiken we Matrix en Element voor onze interne chat. Dat geeft ons veilige teamchat met end-to-end encryptie op een eigen server. Geen afhankelijkheid van Big Tech en geen onduidelijke datastromen, maar wel alle functies die je van e

    Interlunium@[email protected]342026-09-07 09:57 UTCView post →
  • Are we seeing a major trust crisis on the horizon among FOSS project committers? 🤔 #foss #ai

    Ricardo Martín :bsdhead:@[email protected]202026-09-07 09:16 UTCView post →

What “foss” means

Wiktionary

foss

  • nounA pit, groove, cavity, or depression.
  • nounA carnivorous mammal endemic to Madagascar, Cryptoprocta ferox.
Full entry on Wiktionary →

#foss across platforms

every network with a public tag surface

Follow #foss 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/foss