Host Communication - Social Networks and Forums Tools

Free and open-source way to self-host private forums for groups of friends or family.

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

Federated microblogging server. Mastodon, & ActivityPub compatible.

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).

Federated and decentralized profile builder and social network engine.

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

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

A free, open-source social network following the Q/A (question and answer) principle of sites like Formspring, ask.fm or CuriousCat.

A 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.

Q&A-based community knowledge-sharing software.

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

Pixelfed is an open-source, federated platform alternate to Instagram.

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.

Orange Forum is an easy to deploy forum that has minimal dependencies and uses very little javascript.

Open Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests.

A alternative front end to twitter.

Forum software built for the modern web.

Free, extensible forum software package.

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

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

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

Federated microblogging server.

Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them.

Private front-end for Reddit written in Rust.

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

Federated content aggregator and microblogging platform.

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

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

Flexible kit for private social networks.

ActivityPub federated social network server implementing the Mastodon client API.

Social Communication Server.

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

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

Powerful open source social networking engine.

Advanced forum / community solution based on Ruby and JS.

Distributed social networking server.

A better commenting experience from Vox Media.

Chirpy is an open-source, privacy-friendly and customizable Disqus (comment system) alternate.

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.

A fast, SQLite-powered forum engine written in ASM.

Open Source Social Networking Framework and Platform.

An open-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.

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