Free discovery
Free Communication tools
Verified FREE and FREEMIUM tools listed in Communication.
join-lemmy.orgfree
Link aggregator for the fediverse (alternative to Reddit). ([Source Code](https://github.com/LemmyNet/lemmy)) `AGPL-3.0` `Docker/Rust`
isso-comments.defree
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/…
iceshrimp.netfree
Federated microblogging server that communicates over ActivityPub. ([Source Code](https://iceshrimp.dev/iceshrimp/iceshrimp.net)) `EUPL-1.2` `.NET/C#/Docker`
humhub.orgfree
Flexible kit for private social networks. ([Source Code](https://github.com/humhub/humhub)) `AGPL-3.0` `PHP`
hubzilla.orgfree
Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. ([Source Code](https://framagit.org/hubzilla/core)) `MI…
hatsu.cli.rsfree
Bridge that interacts with Fediverse on behalf of your static site. ([Source Code](https://github.com/importantimport/hatsu)) `AGPL-3.0` `Docker/Rust`
gethabitat.orgfree
A Platform for Local Communities. ([Source Code](https://github.com/carlnewton/habitat)) `AGPL-3.0` `Docker`
docs.gotosocial.orgfree
ActivityPub federated social network server implementing the Mastodon client API. ([Source Code](https://codeberg.org/superseriousbusiness/gotosocial)) `AGPL-3.…
friendi.cafree
Social Communication Server. ([Source Code](https://github.com/friendica/friendica)) `AGPL-3.0` `PHP`
flarum.orgfree
Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. ([Source Code](https://github.com/flarum/flarum…
elgg.orgfree
Powerful open source social networking engine. ([Source Code](https://github.com/Elgg/Elgg)) `GPL-2.0` `PHP`
discourse.orgfree
Advanced forum / community solution based on Ruby and JS. ([Demo](https://try.discourse.org/), [Source Code](https://github.com/discourse/discourse)) `GPL-2.0`…
diasporafoundation.orgfree
Distributed social networking server. ([Source Code](https://github.com/diaspora/diaspora)) `AGPL-3.0` `Ruby`
coralproject.netfree
A better commenting experience from Vox Media. ([Source Code](https://github.com/coralproject/talk)) `Apache-2.0` `Docker/Nodejs`
buddypress.orgfree
Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and m…
board.asm32.infofree
Fast, SQLite-powered forum engine written in ASM. ([Source Code](https://asm32.info/fossil/asmbb/index)) `EUPL-1.2` `Assembly`
artalk.js.orgfree
Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website. ([Source Code](https://github.com/…
answer.apache.orgfree
Knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and…
akkoma.socialfree
Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility. ([Source Code](https://akkoma.dev/AkkomaGang/akkoma)) `AGPL-3.0` `Elixi…
yeti-switch.orgfree
Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. ([Demo](https://demo.yeti-switch.org/), [Source Code](https://github.com…
wazo-platform.orgfree
Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. ([Source Code](https://github.com/wazo-platform))…
sip3.iofree
VoIP troubleshooting and monitoring platform. ([Demo](https://demo.sip3.io), [Source Code](https://github.com/sip3io/)) `Apache-2.0` `Java`
routr.iofree
Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure. ([Source Code](https://github.com/fonoster/routr)) `MIT` `…
opensips.orgfree
SIP proxy/server for voice, video, IM, presence and any other SIP extensions. ([Source Code](https://github.com/OpenSIPS/opensips)) `GPL-2.0` `C`