Best Communication - Social Networks and Forums software in 2026
38 tools compared across pricing, features, and deployment.
Akkoma
akkoma.social
Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility.
Answer
answer.apache.org
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.
Artalk
artalk.js.org
Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website.
AsmBB
board.asm32.info
Fast, SQLite-powered forum engine written in ASM.
BuddyPress
buddypress.org
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.
Chirpy
chirpy.dev
Privacy-friendly and customizable Disqus (comment system) alternate.
Coral
coralproject.net
A better commenting experience from Vox Media.
diaspora*
diasporafoundation.org
Distributed social networking server.
Discourse
discourse.org
Advanced forum / community solution based on Ruby and JS.
Elgg
elgg.org
Powerful open source social networking engine.
Enigma 1/2 BBS
nuskooler.github.io
Enigma 1/2 is a modern, multi-platform BBS engine with unlimited "callers" and legacy DOS door game support.
Flarum
flarum.org
Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again.
Friendica
friendi.ca
Social Communication Server.
GoToSocial
docs.gotosocial.org
ActivityPub federated social network server implementing the Mastodon client API.
Hatsu
hatsu.cli.rs
Bridge that interacts with Fediverse on behalf of your static site.
Hubzilla
hubzilla.org
Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform.
HumHub
humhub.org
Flexible kit for private social networks.
Iceshrimp.NET
iceshrimp.net
Federated microblogging server that communicates over ActivityPub.
Isso
isso-comments.de
Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus.
Loomio
loomio.org
Collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them.
Mastodon
joinmastodon.org
Open-source alternative to Twitter.
Misago
misago-project.org
Fully featured modern forum application that is fast, scalable and responsive.
Misskey
misskey.io
Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon.
Movim
movim.eu
Modern, federated social network based on XMPP, with a fully featured group-chat, subscriptions and microblogging.