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Sublinks

Reddit-style federated link aggregator backend

Social Networks ★ 80 stars Hard setup AGPL-3.0

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.

Key features

  • Lemmy-compatible federation
  • ActivityPub Threadiverse
  • Independent Java backend
  • Link aggregation and voting

Strengths

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in Java

Is Sublinks secure?

OSV.dev has no published security advisories for Sublinks's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Sublinks replaces

Health badge

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SelfHostIndex: 3 · at risk

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   :alt: SelfHostIndex health score for Sublinks
   :target: https://selfhostindex.com/app/sublinks/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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