# Self-Hosted Communication Tools Open-source communication tools to replace Slack, Discord, and hosted chat — self-host on your infrastructure. - **Results:** 173 - **Page:** https://leavecloudnow.com/alternatives/communication ## Alternatives - [Mastodon](https://leavecloudnow.com/alt/mastodon.md) - [Discourse](https://leavecloudnow.com/alt/discourse.md) - [Rocket.Chat](https://leavecloudnow.com/alt/rocket.chat.md) - [Novu](https://leavecloudnow.com/alt/novu.md) - [Mattermost](https://leavecloudnow.com/alt/mattermost.md) - [Chatwoot](https://leavecloudnow.com/alt/chatwoot.md) - [Ntfy](https://leavecloudnow.com/alt/ntfy.md) - [Jitsi Meet](https://leavecloudnow.com/alt/jitsi-meet.md) - [Zulip](https://leavecloudnow.com/alt/zulip.md) - [Listmonk](https://leavecloudnow.com/alt/listmonk.md) - [SimpleX Chat](https://leavecloudnow.com/alt/simplex-chat.md) - [Docker Mailserver](https://leavecloudnow.com/alt/docker-mailserver.md) - [Apprise](https://leavecloudnow.com/alt/apprise.md) - [Postal](https://leavecloudnow.com/alt/postal.md) - [Flarum](https://leavecloudnow.com/alt/flarum.md) - [Answer](https://leavecloudnow.com/alt/answer.md) - [Mail-in-a-Box](https://leavecloudnow.com/alt/mail-in-a-box.md) - [Gotify](https://leavecloudnow.com/alt/gotify.md) - [NodeBB](https://leavecloudnow.com/alt/nodebb.md) - [Lemmy](https://leavecloudnow.com/alt/lemmy.md) - [diaspora*](https://leavecloudnow.com/alt/diaspora.md) - [Stalwart Mail Server](https://leavecloudnow.com/alt/stalwart-mail-server.md) - [Tinode](https://leavecloudnow.com/alt/tinode.md) - [Element](https://leavecloudnow.com/alt/element.md) - [Mailcow](https://leavecloudnow.com/alt/mailcow.md) - [Misskey](https://leavecloudnow.com/alt/misskey.md) - [Centrifugo](https://leavecloudnow.com/alt/centrifugo.md) - [Screego](https://leavecloudnow.com/alt/screego.md) - [Typebot](https://leavecloudnow.com/alt/typebot.md) - [Mautic](https://leavecloudnow.com/alt/mautic.md) - [BigBlueButton](https://leavecloudnow.com/alt/bigbluebutton.md) - [Janus](https://leavecloudnow.com/alt/janus.md) - 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[Modoboa](https://leavecloudnow.com/alt/modoboa.md) - [Redlib](https://leavecloudnow.com/alt/redlib.md) - [Asterisk](https://leavecloudnow.com/alt/asterisk.md) - [Weechat](https://leavecloudnow.com/alt/weechat.md) - [Converse.js](https://leavecloudnow.com/alt/converse.js.md) - [Ergo](https://leavecloudnow.com/alt/ergo.md) - [Jitsi Video Bridge](https://leavecloudnow.com/alt/jitsi-video-bridge.md) - [MiroTalk SFU](https://leavecloudnow.com/alt/mirotalk-sfu.md) - [Openfire](https://leavecloudnow.com/alt/openfire.md) - [Kamailio](https://leavecloudnow.com/alt/kamailio.md) - [One Time Secret](https://leavecloudnow.com/alt/one-time-secret.md) - [Misago](https://leavecloudnow.com/alt/misago.md) - [Tox](https://leavecloudnow.com/alt/tox.md) - [WBO](https://leavecloudnow.com/alt/wbo.md) - [Loomio](https://leavecloudnow.com/alt/loomio.md) - [Stoat](https://leavecloudnow.com/alt/stoat.md) - [AnyCable](https://leavecloudnow.com/alt/anycable.md) - [Tuwunel](https://leavecloudnow.com/alt/tuwunel.md) - [Chitchatter](https://leavecloudnow.com/alt/chitchatter.md) - [Artalk](https://leavecloudnow.com/alt/artalk.md) - [Live Helper Chat](https://leavecloudnow.com/alt/live-helper-chat.md) - [Keila](https://leavecloudnow.com/alt/keila.md) - [ZNC](https://leavecloudnow.com/alt/znc.md) - [Wildduck](https://leavecloudnow.com/alt/wildduck.md) - [phpBB](https://leavecloudnow.com/alt/phpbb.md) - [Movim](https://leavecloudnow.com/alt/movim.md) - [RetroShare](https://leavecloudnow.com/alt/retroshare.md) - [Coral](https://leavecloudnow.com/alt/coral.md) - [SIPCAPTURE Homer](https://leavecloudnow.com/alt/sipcapture-homer.md) - [iRedMail](https://leavecloudnow.com/alt/iredmail.md) - [Talkyard](https://leavecloudnow.com/alt/talkyard.md) - [MongooseIM](https://leavecloudnow.com/alt/mongooseim.md) - [Routr](https://leavecloudnow.com/alt/routr.md) - [Elgg](https://leavecloudnow.com/alt/elgg.md) - [Friendica](https://leavecloudnow.com/alt/friendica.md) - [SnappyMail](https://leavecloudnow.com/alt/snappymail.md) - [Cypht](https://leavecloudnow.com/alt/cypht.md) - [Forward Email](https://leavecloudnow.com/alt/forward-email.md) - [GlobaLeaks](https://leavecloudnow.com/alt/globaleaks.md) - [openSIPS](https://leavecloudnow.com/alt/opensips.md) - [Databag](https://leavecloudnow.com/alt/databag.md) - [DebOps](https://leavecloudnow.com/alt/debops.md) - [Galene](https://leavecloudnow.com/alt/galene.md) - [InspIRCd](https://leavecloudnow.com/alt/inspircd.md) - [OSSN](https://leavecloudnow.com/alt/ossn.md) - [Dovecot](https://leavecloudnow.com/alt/dovecot.md) - [MyBB](https://leavecloudnow.com/alt/mybb.md) - [Hyphanet](https://leavecloudnow.com/alt/hyphanet.md) - [FusionPBX](https://leavecloudnow.com/alt/fusionpbx.md) - [Kiwi IRC](https://leavecloudnow.com/alt/kiwi-irc.md) - [Glowing Bear](https://leavecloudnow.com/alt/glowing-bear.md) - [Conduit](https://leavecloudnow.com/alt/conduit.md) - [Scoold](https://leavecloudnow.com/alt/scoold.md) - [Notifo](https://leavecloudnow.com/alt/notifo.md) - [OpenTrashmail](https://leavecloudnow.com/alt/opentrashmail.md) - [phpList](https://leavecloudnow.com/alt/phplist.md) - [Quassel IRC](https://leavecloudnow.com/alt/quassel-irc.md) - [OTS](https://leavecloudnow.com/alt/ots.md) - [DavMail](https://leavecloudnow.com/alt/davmail.md) - [Simple Machines Forum](https://leavecloudnow.com/alt/simple-machines-forum.md) - [Enigma 1/2 BBS](https://leavecloudnow.com/alt/enigma-12-bbs.md) - [Cyrus IMAP](https://leavecloudnow.com/alt/cyrus-imap.md) - [Chirpy](https://leavecloudnow.com/alt/chirpy.md) - [OpenSMTPD](https://leavecloudnow.com/alt/opensmtpd.md) - [Ngircd](https://leavecloudnow.com/alt/ngircd.md) - [UnrealIRCd](https://leavecloudnow.com/alt/unrealircd.md) - [MiroTalk C2C](https://leavecloudnow.com/alt/mirotalk-c2c.md) - [plugNmeet](https://leavecloudnow.com/alt/plugnmeet.md) - [Qpixel](https://leavecloudnow.com/alt/qpixel.md) - [Snikket](https://leavecloudnow.com/alt/snikket.md) - [Spectrum 2](https://leavecloudnow.com/alt/spectrum-2.md) - [Shhh](https://leavecloudnow.com/alt/shhh.md) - [Socialhome](https://leavecloudnow.com/alt/socialhome.md) - [PushBits](https://leavecloudnow.com/alt/pushbits.md) - [Tigase](https://leavecloudnow.com/alt/tigase.md) - [Tiledesk](https://leavecloudnow.com/alt/tiledesk.md) - [Simple NixOS Mailserver](https://leavecloudnow.com/alt/simple-nixos-mailserver.md) - [Sympa](https://leavecloudnow.com/alt/sympa.md) - [DragonFly](https://leavecloudnow.com/alt/dragonfly.md) - [Hatsu](https://leavecloudnow.com/alt/hatsu.md) - [BuddyPress](https://leavecloudnow.com/alt/buddypress.md) - [HyperKitty](https://leavecloudnow.com/alt/hyperkitty.md) - [Robust IRC](https://leavecloudnow.com/alt/robust-irc.md) - [Flexisip](https://leavecloudnow.com/alt/flexisip.md) - [SAMA](https://leavecloudnow.com/alt/sama.md) - [Postorius](https://leavecloudnow.com/alt/postorius.md) - [3CX](https://leavecloudnow.com/alt/3cx.md) - [Akkoma](https://leavecloudnow.com/alt/akkoma.md) - [AsmBB](https://leavecloudnow.com/alt/asmbb.md) - [Chasquid](https://leavecloudnow.com/alt/chasquid.md) - [Continuwuity](https://leavecloudnow.com/alt/continuwuity.md) - [Courier MTA](https://leavecloudnow.com/alt/courier-mta.md) - [Dovel](https://leavecloudnow.com/alt/dovel.md) - [EmailRelay](https://leavecloudnow.com/alt/emailrelay.md) - [Exim](https://leavecloudnow.com/alt/exim.md) - [Freepbx](https://leavecloudnow.com/alt/freepbx.md) - [GNUnet](https://leavecloudnow.com/alt/gnunet.md) - [GoToSocial](https://leavecloudnow.com/alt/gotosocial.md) - [Groupboard](https://leavecloudnow.com/alt/groupboard.md) - [Hubzilla](https://leavecloudnow.com/alt/hubzilla.md) - [Iceshrimp.NET](https://leavecloudnow.com/alt/iceshrimp.net.md) - [Inboxen](https://leavecloudnow.com/alt/inboxen.md) - [Jami](https://leavecloudnow.com/alt/jami.md) - [Libervia](https://leavecloudnow.com/alt/libervia.md) - [Mailman](https://leavecloudnow.com/alt/mailman.md) - [Mlmmj](https://leavecloudnow.com/alt/mlmmj.md) - [PieFed](https://leavecloudnow.com/alt/piefed.md) - [Pleroma](https://leavecloudnow.com/alt/pleroma.md) - [Postfix](https://leavecloudnow.com/alt/postfix.md) - [PrivMX WebMail](https://leavecloudnow.com/alt/privmx-webmail.md) - [Prosody IM](https://leavecloudnow.com/alt/prosody-im.md) - [SIP3](https://leavecloudnow.com/alt/sip3.md) - [Salut à Toi](https://leavecloudnow.com/alt/salut-à-toi.md) - [Schleuder](https://leavecloudnow.com/alt/schleuder.md) - [Sendmail](https://leavecloudnow.com/alt/sendmail.md) - [Sendy](https://leavecloudnow.com/alt/sendy.md) - [SquirrelMail](https://leavecloudnow.com/alt/squirrelmail.md) - [TrueConf](https://leavecloudnow.com/alt/trueconf.md) - [Virola Messenger](https://leavecloudnow.com/alt/virola-messenger.md) - [Wazo](https://leavecloudnow.com/alt/wazo.md) - [Yeti-Switch](https://leavecloudnow.com/alt/yeti-switch.md) - [b1gMail](https://leavecloudnow.com/alt/b1gmail.md) - [yarn.social](https://leavecloudnow.com/alt/yarn.social.md)