Self Hosted Communication systems

100 Communication systems software solutions and projects

• Zulip

  9.7 10.0 L2 Python

  Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
  

• Discourse

  9.9 10.0 L2 Ruby

  A platform for community discussion. Free, open, simple.
  

InfluxDB - Power Real-Time Data Analytics at Scale

Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

Promo www.influxdata.com



• Loomio

  7.1 9.9 L3 Ruby

  Loomio is a collaborative decision making tool
  

• Friendica

  6.2 0.0 L1 PHP

  Friendica Communications Platform

• NodeBB

  9.4 9.9 L2 JavaScript

  Node.js based forum software built for the modern web
  

• FusionPBX

  6.1 9.9 PHP

  Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.
  

• Synapse

  9.2 9.8 L3 Python

  DISCONTINUED. Synapse: Matrix homeserver written in Python/Twisted.
  

• GNUNet

  2.0 9.8 L2 core is C, apps can be any language

  DISCONTINUED. GNUnet is an alternative network stack for building secure, decentralized and privacy-preserving distributed applications. Our goal is to replace the old insecure Internet protocol stack. Starting from an application for secure publication of files, it has grown to include all kinds of basic protocol components and applications towards the creation of a GNU internet. https://git.gnunet.org/

• Rocket.Chat

  9.9 9.9 L3 TypeScript

  The communications platform that puts data protection first.
  

• Mastodon

  9.9 10.0 L5 Ruby

  Your self-hosted, globally interconnected microblogging community
  

• Kamailio

  7.3 9.9 L2 C

  Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
  

• Vanilla Forums

  7.5 5.0 L2 PHP

  Vanilla is a powerfully simple discussion forum you can easily customize to make as unique as your community.
  

• Oragono

  6.4 8.3 Go

  A modern IRC server (daemon/ircd) written in Go.
  

• Misskey

  8.8 9.9 TypeScript

  🌎 An interplanetary microblogging platform 🚀
  

• Hubzilla

  5.3 9.8 L1 PHP

  DISCONTINUED. Independent general-purpose websites that not only connect with their associated members and viewers, but also connect together.

• Lemmy

  9.0 9.8 Rust

  🐀 A link aggregator and forum for the fediverse
  

• Mattermost

  9.8 9.9 L1 TypeScript

  Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
  

• Jitsi Meet

  9.7 9.8 L4 TypeScript

  Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
  

• Mautic

  8.8 10.0 L2 PHP

  Mautic: Open Source Marketing Automation Software.
  

• Dovecot

  5.6 9.7 L3 C

  Dovecot mail server
  

• twtxt.net

  4.5 9.3 Go

  DISCONTINUED. 📕 twtxt is a Self-Hosted, Twitter™-like Decentralised microBlogging platform. No ads, no tracking, your content, your data!
  

• Live Helper Chat

  7.0 9.8 L3 PHP

  Live Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (whatsapp), Facebook messenger including building a bot.
  

• Vector

  9.0 9.9 L4 TypeScript

  A glossy Matrix collaboration client for the web.
  

• HumHub

  8.6 9.3 L4 PHP

  HumHub is an Open Source Enterprise Social Network. Easy to install, intuitive to use and extendable with countless freely available modules.
  

• MongooseIM

  6.5 9.8 Erlang

  MongooseIM is Erlang Solutions' robust, scalable and efficient XMPP server, aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant and can utilise the resources of multiple clustered machines.
  

• RetroShare

  6.3 9.4 L1 C++

  RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.
  

• Papercups

  8.0 0.0 Elixir

  Open-source live customer chat
  

• Tutanota makes encryption easy

  8.2 9.9 TypeScript

  Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
  

• Mailcow

  8.7 9.4 JavaScript

  mailcow: dockerized - 🐮 + 🐋 = 💕
  

• Simple Machines Forum

  5.2 9.9 PHP

  Simple Machines Forum — SMF in short — is free and open-source community forum software, delivering professional grade features in a package that allows you to set up your own online community within minutes!
  

• Converse.js

  7.5 9.2 L2 JavaScript

  Web-based XMPP/Jabber chat client written in JavaScript
  

• EpochTalk

  2.7 0.0 JavaScript

  Next Generation Forum Software
  

• PixelFed

  8.1 9.9 PHP

  Photo Sharing. For Everyone.
  

• Symphony

  9.7 9.4 L1 Java

  DISCONTINUED. A modern community

• Mumble

  8.4 9.5 L1 C++

  Mumble is an open-source, low-latency, high quality voice chat software.
  

• SimpleLogin

  7.8 9.0 Python

  The SimpleLogin back-end and web app
  

• Human-Connection

  3.5 0.0 JavaScript

  Free and open-source social network for active citizenship.
  

• Tinode

  9.1 7.4 Go

  Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
  

• Movim

  6.2 9.4 L3 JavaScript

  Movim - Decentralized social platform
  

• OSSN

  6.2 9.3 L3 PHP

  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. It is available in 17 international languages.
  

• phpBB

  7.1 9.7 L2 PHP

  phpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.
  

• Kiwi IRC

  5.4 8.4 Vue

  🥝 Next generation of the Kiwi IRC web client
  

• Coral

  6.5 9.9 TypeScript

  A better commenting experience from Vox Media
  

• Convos

  5.5 0.0 L4 Perl

  DISCONTINUED. Convos :busts_in_silhouette: is the simplest way to use IRC in your browser [Moved to: https://github.com/convos-chat/convos]
  

• Talkyard

  5.9 9.0 TypeScript

  A community discussion platform: Brings together the main features from StackOverflow, Slack, Discourse, Reddit, and Disqus blog comments.

• Openfire

  7.9 9.7 L1 Java

  An XMPP server licensed under the Open Source Apache License.
  

• Exim

  5.2 9.2 L1 C

  Exim Mail Transport Agent - source, testsuite and documentation
  

• Weechat

  7.0 9.8 L1 C

  The extensible chat client.
  

• Roundcube

  8.5 9.5 L3 PHP

  The Roundcube Webmail suite
  

• Jitsi Video Bridge

  7.7 8.5 L1 Kotlin

  Jitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i.e., up to hundreds of conferences per server).
  

• ejabberd

  8.5 9.7 Erlang

  Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
  

• InspIRCd

  5.9 9.3 C++

  A modular C++ IRC server (ircd).
  

• Shhh

  3.5 8.7 Python

  Share sensitive info without leaving a trace in your chat logs or email accounts.

• AnsiMail

  2.5 0.0 Jinja

  Fullstack, security focused, personal mail server based on OpenSMTPD for OpenBSD
  

• Asterisk

  7.2 9.3 L2 C

  The official Asterisk Project repository.
  

• docker-mailserver

  9.0 8.7 Shell

  DISCONTINUED. A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver]
  

• Telescope

  8.8 0.0 JavaScript

  🌋 A toolkit to quickly build apps with React, GraphQL & Meteor
  

• The Lounge

  8.1 9.3 L4 TypeScript

  💬 ‎ Modern, responsive, cross-platform, self-hosted web IRC client
  

• remark42

  7.7 8.3 Go

  comment engine

• BuddyPress

  4.0 9.3 L2 PHP

  BuddyPress DEVELOPMENT repo. This repository is just a mirror of the development SVN at https://buddypress.svn.wordpress.org/. Please include a link to a pre-existing ticket on https://buddypress.trac.wordpress.org/ with every pull request.
  

• ZeroNet

  9.5 0.0 JavaScript

  ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network

• Gosora

  2.5 0.0 Go

  Gosora is an ultra-fast and secure forum software written in Go that balances usability with functionality.

• Scoold

  5.3 8.9 Java

  A Stack Overflow clone for teams (self-hosted or hosted)
  

• Routr

  5.7 9.5 TypeScript

  ⚡ The future of programmable SIP servers.
  

• Satellity

  4.4 0.0 Go

  Yet another open source forum written in Golang, React and PostgreSQL.
  

• Modoboa

  7.1 9.1 L5 Python

  Mail hosting made simple
  

• wildduck

  6.4 9.2 JavaScript

  Opinionated email server
  

• Listmonk

  9.1 9.2 Go

  High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

• Kontalk

  4.9 0.0 L1 Java

  Kontalk official Android client
  

• ZNC

  6.7 8.8 L1 C++

  Official repository for the ZNC IRC bouncer
  

• Dada Mail

  3.0 7.7 L3 Perl

  Self-Hosted, Full Featured, Email Mailing List Manager. Announcement + Discussion Lists, Web-based Installer, Installs with minimal dependencies, sendmail/SMTP/Amazon SES supported

• phpList

  5.3 6.2 PHP

  Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.
  

• MyBB

  6.0 8.2 L1 PHP

  MyBB is a free and open source forum software.
  

• Zusam

  2.5 6.3 PHP

  Private groups to share messages, photos, videos, links with friends and family.
  

• Mailu

  8.2 9.3 Python

  Insular email distribution - mail server as Docker images
  

• WBO

  6.5 6.1 JavaScript

  Online collaborative Whiteboard that is simple, free, easy to use and to deploy

• Glosa

  1.8 1.8 HTML

  Comments for static sites. Clone of Disqus, but faster, Opensource and sexy.
  

• Freenet

  5.6 9.7 L1 Java

  Freenet REference Daemon
  

• Elgg

  6.8 9.4 L3 PHP

  A social networking engine in PHP/MySQL
  

• OpenSMTPD

  4.5 9.1 L2 C

  This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
  

• Cypht

  5.2 9.6 L4 PHP

  Cypht: Lightweight Open Source webmail written in PHP and JavaScript
  

• Mail-in-a-Box

  9.2 8.8 L3 Python

  Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
  

• Centrifugo

  8.5 8.9 Go

  Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.
  

• JSXC

  5.4 1.5 TypeScript

  :speech_balloon: Real-time xmpp chat application with video calls, file transfer and encrypted communication.
  

• diaspora*

  9.4 7.9 L4 Ruby

  A privacy-aware, distributed, open source social network.
  

• Metronome IM

  2.9 4.2 Lua

  Metronome IM, lightweight xmpp server with advanced microblogging features.

• homebox

  3.9 9.3 Shell

  A set of ansible scripts to build a personal mail server / private cloud / etc.

• Dispatch

  4.2 0.0 Go

  Web-based IRC client in Go.

• Kazoo

  6.1 2.9 Erlang

  The core of an open-source, distributed, highly scalable platform designed to provide robust telecom services
  

• ProtonMail Web Client

  7.8 10.0 TypeScript

  Monorepo hosting the proton web clients
  

• Inboxen

  3.0 0.0 Python

  DISCONTINUED. Main repo for Inboxen.org
  

• Glowing Bear

  5.3 6.4 JavaScript

  A web client for WeeChat
  

• Spectrum 2

  4.2 7.2 C++

  Spectrum 2 IM transports
  

• Patchwork

  7.9 8.6 JavaScript

  DISCONTINUED. A decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB).
  

• AnonAddy

  6.9 7.6 PHP

  Anonymous email forwarding
  

• Anahita

  4.7 3.0 L3 PHP

  Anahita is a platform and framework for developing open science and knowledge sharing applications on a social networking foundation.
  

• Darkwire.io

  5.1 5.6 JavaScript

  End-to-end encrypted instant web chat
  

• ngircd

  4.0 9.0 C

  Free, portable and lightweight Internet Relay Chat server
  

• PushBits

  3.1 0.0 Go

  A simple server for push notifications via Matrix (and a minimalistic alternative to Pushover and Gotify) 🚀📯
  

• Haraka

  8.0 8.4 L3 JavaScript

  A fast, highly extensible, and event driven SMTP server
  

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

SaaSHub - Software Alternatives and Reviews

featured www.saashub.com

Popular Comparisons

• Mailcow
  vs
  Mail-in-a-Box
• Mailcow
  vs
  Mailu
• iRedMail
  vs
  Modoboa
• diaspora*
  vs
  Mastodon
• iRedMail
  vs
  Mailcow