18 self-hosted Lemmy (Lemmy.world) alternatives

Mastodon is an open-source, ActivityPub-compatible social network server for microblogging, offering federated timelines, moderation tools, media support, and APIs.

50.1k stars7.5k forksAGPL-3.0last commit 27 Jul 2026Actively maintained

Lemmy is a federated, self-hostable link aggregator and forum platform for creating Reddit-like communities with voting, comments, moderation tools, and ActivityPub federation.

14.5k stars964 forksAGPL-3.0last commit 28 Jul 2026Actively maintained

Open-source federated social network built around independently run pods, privacy via Aspects, and standard social features; implemented in Ruby on Rails.

13.7k stars2.9k forksAGPL-3.0last commit 16 Jul 2026Actively maintained

Misskey is an open-source federated microblogging platform using ActivityPub, enabling communities to run their own social server and interact across the fediverse.

11.3k stars1.6k forksAGPL-3.0last commit 28 Jul 2026Actively maintained

Friendica is a decentralized, federated social network server that connects to the Fediverse, offering posts, profiles, events, photos, and strong privacy controls.

1.7k stars373 forksAGPL-3.0last commit 27 Jul 2026Actively maintained

Hyphanet (formerly Freenet) is a peer-to-peer platform for censorship-resistant communication and publishing using an encrypted, decentralized data store and plugin-based apps.

1.2k stars236 forksGPL-2.0last commit 10 May 2026Actively maintained

Modern Node.js-based BBS server with Telnet/SSH/WebSocket access, theming and mods, message networks, file areas, doors, and strong authentication options.

656 stars121 forksBSD-2-Clauselast commit 6 Jul 2026Actively maintained

Adds ActivityPub federation to Nextcloud so users can post, follow, and interact with the fediverse while keeping content on their Nextcloud instance.

498 stars58 forksAGPL-3.0last commit 10 Jun 2026Actively maintained

A modern forum, wiki, and community hub for discussions, curated lists, and knowledgebases. Extensible, secure platform built with TypeScript and Go.

324 stars37 forksMPL-2.0last commit 8 Jul 2026Actively maintained

Lightweight federated social network served over the Gemini protocol; implements ActivityPub, stores data in a single SQLite file, and is written in Go.

204 stars7 forksApache-2.0last commit 24 Jul 2026Actively maintained

Open source ActivityPub-powered federated forum and link aggregator for running and joining community discussions across the Fediverse.

Activity unknown

Lightweight ActivityPub social network server focused on privacy, safety, and customization, with Mastodon API compatibility for many existing clients.

Activity unknown

Iceshrimp.NET is a performant, maintainable ActivityPub federated social network server with a Blazor WebAssembly frontend and a Mastodon-compatible API.

Activity unknown

Lightweight ActivityPub microblogging platform with Mastodon-compatible API, rich post interactions, and optional paid subscriptions via Monero.

Activity unknown

Open-source, minimal ActivityPub server in portable C — multiuser, Mastodon-API compatible, no database required, JavaScript-free web UI for small federated instances.

Activity unknown

Yarn.social is a decentralized, self-hosted social network based on the Twtxt format, offering privacy-first microblogging with web and CLI clients and a pod-based model.

Activity unknown

Socialhome is a federated, self-hosted social network engine enabling decentralized user profiles and cross-network federation via ActivityPub.

Activity unknown

Noosfero is a web platform for building community portals and social networks, combining CMS features with profiles, groups, and collaborative publishing.

Activity unknown