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Known

Open-source PHP platform for social publishing, where one or more users post blog posts and status updates to a site they run.

Known is a publishing platform for groups and individuals, where any number of users post blog posts and status updates to one shared site. It is written in PHP and keeps its content in MySQL, MariaDB or MongoDB, behind a web server with URL rewriting. It installs with Composer or from a release archive, and the project also runs Known as a hosted service at withknown.com.

Worth knowing

By default Known processes events such as Webmention pings and ActivityPub deliveries inside the web request that triggered them. An asynchronous queue moves that work into a background worker, which the README says is required for ActivityPub. The worker must stay running, started by systemd or once a minute by cron.

Identity

Status
Active
Maintainer
Known, Inc4
Maintained by
Company

Rendering and deploy

Runs as
Per request, Always on, Scheduled9
Install with
composer create-project idno/idno, release archive, or git clone with composer install9

Releases

Current major version
17
Last release
2026-03-017

Adoption

GitHub stars
1,1262
Contributors
898

Why these figures do not compare

Sources

  1. 2026-10-20: links
    idno.co
  2. 2026-10-20: links, Written in, GitHub stars
    api.github.com/repos/idno/idno
  3. 2026-10-20: links, License model
    withknown.com/opensource
  4. 2026-10-20: Maintainer
    github.com/idno/idno/blob/dev/LICENSE
  5. 2026-10-20: Categories
    withknown.com
  6. 2026-10-20: Runtime, Minimum runtime, License
    github.com/idno/idno/blob/1.6.4/composer.json
  7. 2026-10-20: Current major version, Last release
    api.github.com/repos/idno/idno/releases/latest
  8. 2026-10-20: Contributors
    api.github.com/repos/idno/idno/contributors
  9. 2026-10-20: Install with, Runs as
    github.com/idno/idno/blob/1.6.4/README.md

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