Best Self-hosted Community & Social tools in 2026
109 self-hosted open source alternatives in this category
109 services found

Akkoma
ActivityPub fork of Pleroma focused on expressive fediverse features
Akkoma is an Elixir/Phoenix fork of Pleroma implementing ActivityPub, with Misskey-flavored markdown, custom emoji reactions, multiple frontends and performance improvements.

AsmBB
High-performance web forum engine written in assembly.
AsmBB is a lightweight, assembly-language web forum engine that runs via FastCGI and stores data in SQLite, designed for Linux servers and high performance.


Conduit
Lightweight Matrix homeserver written in Rust
A single-binary, low-resource Matrix homeserver in Rust; simple setup, RocksDB (default) or SQLite backends, built with axum and Ruma.


Framadate
Simple, privacy-focused online scheduling and polling tool
Free/libre web service for creating date-based scheduling polls and classic option polls; no registration required. Operated by Framasoft and built on the Pollaris open-source project.

Funkwhale
Federated platform for hosting and streaming music and podcasts
Self-hosted, federated audio platform to upload, organize, stream, and share music and podcasts across instances via ActivityPub.

Gancio
Shared community calendar with federation and open event exports
Gancio is a self-hosted shared agenda for local communities, with anonymous event publishing, RSS/ICS exports, embeddable listings, and ActivityPub federation.

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


Hubzilla
Federated collaboration and social networking platform
Hubzilla is a federated server platform for social networking, groups, publishing, and file sharing with strong privacy controls, nomadic identity, and SSO across hubs.

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


Karrot
Open-source platform for coordinating local grassroots activities
Open-source tool for grassroots groups to schedule activities, share offers, and coordinate locally with maps, chats, and participatory governance.

Mitra
Federated microblogging server for the ActivityPub network
Lightweight ActivityPub microblogging platform with Mastodon-compatible API, rich post interactions, and optional paid subscriptions via Monero.


Mobilizon
Federated event and group management platform
Mobilizon is a federated platform to create and discover events and groups, manage attendance, and publish event pages without relying on major social networks.

Noosfero
Web platform for social networking and community portals
Noosfero is a web platform for building community portals and social networks, combining CMS features with profiles, groups, and collaborative publishing.
PieFed
Federated forum and link aggregator for the Fediverse
Open source ActivityPub-powered federated forum and link aggregator for running and joining community discussions across the Fediverse.


Pleroma
Lightweight ActivityPub server for federated microblogging
Pleroma is a lightweight ActivityPub server for the Fediverse, providing a self-hostable social network that federates with Mastodon and other compatible platforms.
Snac
Lightweight ActivityPub server written in portable C
Open-source, minimal ActivityPub server in portable C — multiuser, Mastodon-API compatible, no database required, JavaScript-free web UI for small federated instances.


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


Yarn.social
Decentralized, privacy-first microblogging based on Twtxt
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.

flohmarkt
Federated classifieds platform for local communities in the Fediverse
Self-hostable, ActivityPub-enabled classifieds app where users post small ads that can federate across flohmarkt instances and other Fediverse servers.