kbin

Decentralized Reddit‑style aggregator and micro‑blogging platform for the Fediverse

A modular, federated content aggregator and micro‑blogging service that interoperates with Mastodon, Lemmy, Pleroma, and Peertube, built on Symfony and PHP 8.2.

Overview

Highlights

Modular architecture with optional Redis, Mercure, and RabbitMQ extensions

ActivityPub federation for cross‑platform interaction

Multi‑language interface supporting 15+ languages

REST and GraphQL APIs for flexible integration

Pros

Open‑source AGPL‑3.0 license encourages community contributions
Built on familiar Symfony/PHP stack
Interoperates with major Fediverse services
Extensive documentation and deployment guides

Considerations

Early beta; federation features are still unstable
Limited production‑ready testing and support
Optional components add deployment complexity
Documentation may lack depth for advanced customizations

Fit guide

Great for

Developers seeking a federated social platform to extend
Communities wanting a Reddit‑style forum within the Fediverse
Self‑hosters comfortable with PHP/Symfony environments
Multilingual groups needing broad language support

Not ideal when

Enterprises requiring guaranteed federation stability
Non‑technical users without server management experience
Projects that need commercial support contracts
Low‑resource devices where optional services are burdensome

How teams use it

Niche interest community hub

Hosts focused discussions and content voting while remaining federated with Mastodon and Lemmy.

Cross‑platform content sharing

Enables users to post on kbin and have the activity appear on Peertube and other ActivityPub platforms.

Organizational micro‑blog

Provides a private, self‑hosted micro‑blog for internal updates, leveraging OAuth2 for authentication.

Fediverse integration testing

Serves as a sandbox for developers to experiment with ActivityPub implementations and API extensions.

Tech snapshot

PHP87%

Twig9%

SCSS3%

JavaScript2%

Dockerfile1%

Shell1%

Frequently asked questions

What programming language and framework does kbin use?

kbin is written in PHP and built on the Symfony framework.

What are the minimum system requirements?

PHP 8.2+, PostgreSQL, a web server (NGINX, Apache, or Caddy), and GD or ImageMagick. Redis, Mercure, and RabbitMQ are optional.

How does federation work in kbin?

kbin implements the ActivityPub protocol to exchange posts and activities with other Fediverse services, though federation is still under active development.

Is there a Docker deployment option?

Yes, the repository includes a Docker deployment guide and Dockerfile for containerized installations.

How can I contribute to the project?

Contributions are welcomed via GitHub; see the Contributing guide for coding standards, issue reporting, and pull‑request procedures.

Project at a glance

Dormant

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Stars: 804
Watchers: 804
Forks: 26

LicenseAGPL-3.0

Repo age4 years old

Last commit2 years ago

Primary languagePHP

Last synced 4 days ago

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