How to: Communication - Social Networks and Forums
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[Social Networking](https://en.wikipedia.org/wiki/Social_networking_service) and [Forum](https://en.wikipedia.org/wiki/Internet_forum) software.

- [Akkoma](https://akkoma.social/) - Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility. ([Source Code](https://akkoma.dev/AkkomaGang/akkoma)) `AGPL-3.0` `Elixir/Docker`
- [Answer](https://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. ([Source Code](https://github.com/apache/answer)) `Apache-2.0` `Docker/Go`
- [Artalk](https://artalk.js.org/) - Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website. ([Source Code](https://github.com/ArtalkJS/Artalk)) `MIT` `Go/Docker`
- [AsmBB](https://board.asm32.info) - Fast, SQLite-powered forum engine written in ASM. ([Source Code](https://asm32.info/fossil/asmbb/index)) `EUPL-1.2` `Assembly`
- [BuddyPress](https://buddypress.org/about/) - 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. ([Source Code](https://github.com/buddypress/BuddyPress)) `GPL-2.0` `PHP`
- [Chirpy](https://chirpy.dev) - Privacy-friendly and customizable Disqus (comment system) alternate. ([Demo](https://chirpy.dev/play), [Source Code](https://github.com/devrsi0n/chirpy)) `AGPL-3.0` `Docker/Nodejs`
- [Coral](https://coralproject.net/) - A better commenting experience from Vox Media. ([Source Code](https://github.com/coralproject/talk)) `Apache-2.0` `Docker/Nodejs`
- [diaspora*](https://diasporafoundation.org/) - Distributed social networking server. ([Source Code](https://github.com/diaspora/diaspora)) `AGPL-3.0` `Ruby`
- [Discourse](https://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS. ([Demo](https://try.discourse.org/), [Source Code](https://github.com/discourse/discourse)) `GPL-2.0` `Docker`
- [Elgg](https://elgg.org/) - Powerful open source social networking engine. ([Source Code](https://github.com/Elgg/Elgg)) `GPL-2.0` `PHP`
- [Enigma 1/2 BBS](https://nuskooler.github.io/enigma-bbs/) - Enigma 1/2 is a modern, multi-platform BBS engine with unlimited "callers" and legacy DOS door game support. ([Source Code](https://github.com/NuSkooler/enigma-bbs)) `BSD-2-Clause` `Shell/Docker/Nodejs`
- [Flarum](https://flarum.org) - Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. ([Source Code](https://github.com/flarum/flarum)) `MIT` `PHP`
- [Friendica](https://friendi.ca/) - Social Communication Server. ([Source Code](https://github.com/friendica/friendica)) `AGPL-3.0` `PHP`
- [GoToSocial](https://docs.gotosocial.org/en/latest/) - ActivityPub federated social network server implementing the Mastodon client API. ([Source Code](https://codeberg.org/superseriousbusiness/gotosocial)) `AGPL-3.0` `Docker/Go`
- [Hatsu](https://hatsu.cli.rs/) - Bridge that interacts with Fediverse on behalf of your static site. ([Source Code](https://github.com/importantimport/hatsu)) `AGPL-3.0` `Docker/Rust`
- [Hubzilla](https://hubzilla.org) - Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. ([Source Code](https://framagit.org/hubzilla/core)) `MIT` `PHP`
- [HumHub](https://www.humhub.org/) - Flexible kit for private social networks. ([Source Code](https://github.com/humhub/humhub)) `AGPL-3.0` `PHP`
- [Iceshrimp.NET](https://iceshrimp.net) - Federated microblogging server that communicates over ActivityPub. ([Source Code](https://iceshrimp.dev/iceshrimp/iceshrimp.net)) `EUPL-1.2` `.NET/C#/Docker`
- [Isso](https://isso-comments.de/) - Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus. ([Source Code](https://github.com/isso-comments/isso)) `MIT` `Python/Docker`
- [Lemmy](https://join-lemmy.org/) - Link aggregator for the fediverse (alternative to Reddit). ([Source Code](https://github.com/LemmyNet/lemmy)) `AGPL-3.0` `Docker/Rust`
- [Loomio](https://www.loomio.org/) - Collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. ([Source Code](https://github.com/loomio/loomio)) `AGPL-3.0` `Docker`
- [Mastodon](https://joinmastodon.org/) - Federated microblogging server. ([Source Code](https://github.com/mastodon/mastodon), [Clients](https://github.com/hyperupcall/awesome-mastodon)) `AGPL-3.0` `Ruby`
- [Misago](https://misago-project.org/) - Fully featured modern forum application that is fast, scalable and responsive. ([Source Code](https://github.com/rafalp/Misago)) `GPL-2.0` `Docker`
- [Misskey](https://misskey.io/) - Decentralized app-like microblogging server/SNS for the Fediverse, using the ActivityPub prot