Communication - Social Networks and Forums

Federated microblogging server.

AGPL-3.0 · released 2026-09-01

Advanced forum / community solution based on Ruby and JS.

GPL-2.0 · released 2026-07-15

Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again.

MIT · released 2026-08-27

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-2.0 · released 2026-07-21

Forum software built for the modern web.

GPL-3.0 · released 2026-09-02

Link aggregator for the fediverse (alternative to Reddit).

AGPL-3.0 · released 2026-07-21

Distributed social networking server.

AGPL-3.0 · released 2026-04-07

Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub protocol like GNU social and Mastodon.

AGPL-3.0 · released 2026-09-06

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

AGPL-3.0 · released 2026-08-24

Flexible kit for private social networks.

AGPL-3.0 · released 2026-08-19

Lightweight and simple comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.

MIT · released 2026-07-10

Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus.

MIT · released 2026-03-26

An alternative private front-end to Reddit, with its origins in Libreddit.

AGPL-3.0 · released 2025-03-20

Fully featured modern forum application that is fast, scalable and responsive.

GPL-2.0 · released 2026-06-19

Collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them.

AGPL-3.0 · released 2026-09-03

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

MIT · released 2026-07-24

Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.

GPL-2.0 · released unknown

Modern, federated social network based on XMPP, with a fully featured group-chat, subscriptions and microblogging.

AGPL-3.0 · released 2026-06-28

A better commenting experience from Vox Media.

Apache-2.0 · released 2026-07-07

Create a community, where your users can suggest ideas and get questions answered. And have friendly open-ended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid).

AGPL-3.0 · released 2026-05-26

Social Communication Server.

AGPL-3.0 · released 2026-05-21

Powerful open source social networking engine.

GPL-2.0 · released 2026-08-19

Social networking software that allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests.

CAL-1.0 · released 2026-07-27

Free, extensible forum software package.

LGPL-3.0 · released 2026-05-28

Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support.

Apache-2.0 · released 2026-08-27

Free, professional grade software package that allows you to set up your own online community within minutes.

BSD-3-Clause · released 2026-03-08

Enigma 1/2 is a modern, multi-platform BBS engine with unlimited "callers" and legacy DOS door game support.

BSD-2-Clause · released unknown

Q&A-based community knowledge-sharing software.

AGPL-3.0 · released 2026-02-27

Federated and decentralized profile builder and social network engine.

AGPL-3.0 · released 2018-08-29

Bridge that interacts with Fediverse on behalf of your static site.

AGPL-3.0 · released 2025-12-14

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-2.0 · released unknown

A Platform for Local Communities.

AGPL-3.0 · released 2026-07-20

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

AGPL-3.0 · released unknown

Fast, SQLite-powered forum engine written in ASM.

EUPL-1.2 · released unknown

ActivityPub federated social network server implementing the Mastodon client API.

AGPL-3.0 · released unknown

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

MIT · released unknown

Federated microblogging server that communicates over ActivityPub.

EUPL-1.2 · released unknown

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

AGPL-3.0 · released unknown

Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible.

AGPL-3.0 · released unknown

Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data.

MIT · released unknown