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12 self-hosted alternatives to Hubzilla (2026)

Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform.

License: MIT · Language: PHP source code

Lemmy source

Link aggregator for the fediverse (alternative to Reddit).

AGPL-3.0Docker/Rust

PieFed source

A link aggregator / reddit clone for the fediverse (alternative to Reddit).

AGPL-3.0Python/Docker

PixelFed source

Ethical photo sharing platform, powered by ActivityPub federation (alternative to Instagram).

AGPL-3.0PHP

Akkoma source

Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility.

AGPL-3.0Elixir/Docker

Answer source

Knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and more.

Apache-2.0Docker/Go

Artalk source

Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website.

MITGo/Docker

AsmBB source

Fast, SQLite-powered forum engine written in ASM.

EUPL-1.2Assembly

BuddyPress source

Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more.

GPL-2.0PHP

Coral source

A better commenting experience from Vox Media.

Apache-2.0Docker/Nodejs

Discourse source

Advanced forum / community solution based on Ruby and JS.

GPL-2.0Docker

Elgg source

Powerful open source social networking engine.

GPL-2.0PHP

All 40 apps in communication-social-networks-and-forums →