kbin vs Sublinks
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
kbin
Federated content aggregator and microblog
VS
Sublinks
Reddit-style federated link aggregator backend
| Feature | kbin | Sublinks |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | PHP | Java |
| Setup difficulty | Hard | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, source |
| GitHub stars | ★ 600 | ★ 80 |
| First released | 2020 | 2023 |
| Replaces |
What are kbin and Sublinks?
kbin
kbin is a free, open-source, federated content aggregator and microblogging platform. It combines Reddit-style threads with microblogging, all federating through ActivityPub.
- Threaded content aggregation
- Integrated microblogging
- ActivityPub federation
- Magazine-based communities
Sublinks
Sublinks is a Lemmy-compatible link aggregator and discussion platform built on the ActivityPub protocol. It aims to federate with the Threadiverse while offering an independent backend implementation.
- Lemmy-compatible federation
- ActivityPub Threadiverse
- Independent Java backend
- Link aggregation and voting
kbin vs Sublinks: key differences
Kbin is written in PHP, while Sublinks is built with Java. Kbin is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Sublinks. Kbin is the more established project (first released 2020), while Sublinks arrived in 2023. Kbin has the considerably larger community, at 600 GitHub stars versus 80.
Why pick each one
Choose kbin if…
- Combines forum and microblog
- Federates widely
Watch out for
- Complex Symfony deployment
- Development pace varies
Choose Sublinks if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Java
Frequently asked questions
Is kbin or Sublinks better?
Neither is universally better. kbin has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are kbin and Sublinks free and open-source?
Yes. kbin is licensed under AGPL-3.0 and Sublinks under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run kbin and Sublinks with Docker?
kbin: yes. Sublinks: yes.
Which is lighter on resources, kbin or Sublinks?
kbin has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Sublinks. Real-world usage depends on library size, user count, and enabled features.