
Known
Open-source social publishing platform for self-hosted sites
1.1k stars 197 forks last commit first released
Actively maintained
Last commit 12 Apr 2026.

Known is an open-source social publishing platform that lets individuals or groups publish posts, notes, photos, and other media to a site you own. It emphasizes IndieWeb compatibility and multi-user collaboration, with a simple, responsive interface.
Key Features
- Bookmarklet: Easily post to your site, save links, and respond to comments from any page on the web
- #Tags: Use hashtags to categorize content
- Responsive Layout: View, edit, and post to your site from any device
- Decentralized Indieweb: Sites can respond to each other, bookmark each other's content, and leave comments
- Email Notifications: Get updates whenever someone responds to a post
- Feeds: Access updates via RSS, XML, JSON, or KML
- Multi-Author: Invite an unlimited number of collaborators
- HTML & Rich Text Editor: Write in HTML or use a WYSIWYG editor
- Custom URL: Bring your own domain to own your site
- Static Pages: Create static pages like about or contact
- Privacy: Private spaces and access controls
- Custom JavaScript & CSS: Extend the site with custom scripts and styles
Use Cases
- Personal or multi-user sites for publishing posts, photos, and media with open syndication across Indieweb networks
- Education: classroom spaces and course projects with LTI integration and data ownership
- Community sites and collaborative spaces where multiple authors publish and discuss content
Limitations and Considerations
- This section intentionally omitted as there are no major Known-specific limitations highlighted here; refer to official documentation for deployment considerations when self-hosting.
Conclusion
Known provides a self-hosted, open-source publishing platform that supports multi-user collaboration, Indieweb interoperability, and ownership of content, suitable for personal sites, classrooms, and communities.
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