PulseGateIndexCategoriesUpdatesLive intelligence on AI-era software— indexed in the last hour
Coverage—projects tracked
Freshness—newest entry
Cadence—last week average · — today
Index9 markets86 categories
PulseGate

Live intelligence on the AI-era software market — apps, models, agents and infrastructure.

Most of it never reaches an official store. PulseGate maps the whole market — every category, worldwide — and measures how it moves: what’s launching, what’s gaining, what’s going quiet.

FollowGitHubX (Twitter)LinkedIn
Platform
All AppsFull IndexCategoriesIndustry UpdatesData SourcesCoverage RulesGlossaryEmbed Widget
Support
Help CenterSubmit your projectReport an Issue
Company
AboutDimaxiaPress & DataContactPlatform Status
Legal
PrivacyTermsDisclaimer
Dimaxia · Dymaxio s.r.o. · Prague, Czechia · © 2026WatchlistSitemapSystem status
PulseGateW(WebSub (FKA. PubSubHubbub)
Visit↗
Skip to content
  1. Index›
  2. Developer Tools›
  3. WebSub (FKA. PubSubHubbub)
← Back to the index
W(

WebSub (FKA. PubSubHubbub)

wordpress.org·Infrastructure

WebSub (formerly PubSubHubbub) is a WordPress plugin that implements the WebSub protocol. It automatically notifies hubs when content is published or updated, enabling real-time distribution to subscribers. It also provides a subscriber API for other plugins and supports multiple hubs and all WordPress feed formats.

FreeWebSelf-hostedAPI
WWebSub (FKA. PubSubHubbub) preview
Visit wordpress.org↗
296stars
49forks
5features
2016since

Overview

5 features

WebSub (FKA. PubSubHubbub) is a Developer Tools project. It focuses on enabling real-time update notifications and subscription capabilities for WordPress blogs and feeds using the WebSub protocol. WebSub (FKA. PubSubHubbub) is an open-source project aimed at wordPress developers. WebSub (FKA. PubSubHubbub) is free to use. It ships for the web and API, and it can be self-hosted.

joshfraz builds and maintains WebSub (FKA. PubSubHubbub), and it first shipped in 2016. Development happens publicly on GitHub with 296 stars and 2 commits in the last 90 days. Among its 5 catalogued features are Real-time Notifications, Hub Support, and Subscriber API. The interface is available in 5 languages, including English, Spanish, and Galician. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

  • ✓Real-time Notifications
  • ✓Hub Support
  • ✓Subscriber API
  • ✓Multi-user Support
  • ✓Feed Link Declarations
Tags
websubpubsubhubbubreal-time-publishingfeed-protocol

Built with & integrations

Connectors
API
Runs on
BrowserSelf-hostedAPI-only

Trust & compliance

Verified signals
✓HTTPS✓Privacy Policy✓Free tier✓GitHub · ★ 296✓Active maintenance✓Multi-language
Legal
Privacy Policy →

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed2 Aug · 07:20 UTC
    WebSub (FKA. PubSubHubbub) verified against its public source
    Source: PulseGate · Open ↗

Frequently asked questions about WebSub (FKA. PubSubHubbub)

What does WebSub (FKA. PubSubHubbub) do?
WebSub (FKA. PubSubHubbub) focuses on enabling real-time update notifications and subscription capabilities for WordPress blogs and feeds using the WebSub protocol. It is catalogued under Developer Tools on PulseGate.
Who is WebSub (FKA. PubSubHubbub) for?
WebSub (FKA. PubSubHubbub) is an open-source project built for wordPress developers.
Does WebSub (FKA. PubSubHubbub) have a free plan?
Yes — WebSub (FKA. PubSubHubbub) is free to use.
What platforms does WebSub (FKA. PubSubHubbub) run on?
WebSub (FKA. PubSubHubbub) runs on the web and API. It can also be self-hosted.
Is WebSub (FKA. PubSubHubbub) still active?
The GitHub repository shows 2 commits in the last 90 days.
Who develops WebSub (FKA. PubSubHubbub)?
WebSub (FKA. PubSubHubbub) is developed by joshfraz.
How long has WebSub (FKA. PubSubHubbub) been around?
WebSub (FKA. PubSubHubbub) first shipped in 2016.
Is WebSub (FKA. PubSubHubbub) open source?
WebSub (FKA. PubSubHubbub) has a public GitHub repository.

At a glance

Pricing
Free
Platforms
Web · Api
Languages
English, Spanish, Galician, Dutch+1 moreshow lessEnglish, Spanish, Galician, Dutch, Russian
Open source
Yes · ★ 296
First seen
2 Aug 2026
Built for
WordPress developers
Model
Open source
Solves
Enabling real-time update notifications and subscription capabilities for WordPress blogs and feeds using the WebSub protocol.

Registered as

GitHub
w3c/websub
WordPress.org
pubsubhubbub

Developer

joshfraz
Community-driven
↗ GitHub

Open source

View on GitHub →
Stars
296
Forks
49
Open issues
29
Last commit
27 May 2026
Commits 90d
2
Contributors
30
Authorship
Community-driven
Default branch
master

Live coverage

Identity confidence
High · 87.6
Indexed
2 Aug 2026
Lifecycle
Alive
First seen
Aug 2026
Last seen
2 Aug 2026
Identity audit (13)
Slug
websub-fka-pubsubhubbub-wordpress-org
Lifecycle state recorded
2 Aug 2026
Verification state
Indexed for public listing
Listing state
Listed: yes
Index status
Included in index
Latest evidence snapshot
2 Aug 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Name from
Derived from the project's own page and URL.
Category from
Assigned by a language model.
Summary from
Written by a language model from public pages.
Languages from
Detected by a language model, checked against the page's own declaration.
Last updated
2 Aug 2026
Canonical URL
https://wordpress.org/plugins/pubsubhubbub

Ship this? Send a correction — no account, and you get a link to follow it.

Similar apps

Closest matches by what these projects do

  • SSSubby Subscriberswordpress.org
  • PLPluginsubbub.org