PHP Communication systems

Open-source PHP projects categorized as Communication systems

Top 23 PHP Communication system Projects

  • Flarum

    Simple forum software for building great communities.

  • Project mention: Posthog is closing their Slack community in favor of forum | | 2024-01-13
  • HumHub

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

  • Project mention: List of your reverse proxied services | /r/selfhosted | 2023-12-05

    Humhub for local Facebook.

  • 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.

    InfluxDB logo
  • Roundcube

    The Roundcube Webmail suite

  • Project mention: Proton Mail says Outlook for Windows is Microsoft's new data collection service | | 2024-04-05

    I have tried several, and liked none of them. I'm currently on Geary, but it's lacking in functionality, and it has things like search results being a bit different upon each of my searches. Starred messages cannot be shown on top. Eyeroll.

    I think Evolution and Thunderbird are the top contenders, and of the self-hosted ones, Roundcube.

  • PixelFed

    Photo Sharing. For Everyone.

  • Project mention: Ask HN: Who wants to be hired? (January 2024) | | 2024-01-02

    Currently contributing to Pixelfed project to gain experience:

  • RainLoop

    Simple, modern & fast web-based email client

  • LibreNMS

    Community-based GPL-licensed network monitoring system

  • Project mention: Submitted a bug report - any help from Reddit? | /r/LibreNMS | 2023-12-05

    Bug report is over here

  • AnonAddy

    Anonymous email forwarding

  • Project mention: Mozilla Monitor Plus: automatically remove your personal info from data brokers | | 2024-02-06

    With providers like Addy and SimpleLogin it is possible to use your own domain.


  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

    WorkOS logo
  • Vanilla Forums

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

  • Project mention: Ask HN: What forum software do you recommend? | | 2023-07-23
  • Live Helper Chat

    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.

  • phpBB

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

  • Project mention: InVision design collaboration services shutdown | | 2024-01-04
  • Elgg

    A social networking engine in PHP/MySQL

  • Project mention: What is the most useful project you've ever worked on? | | 2024-04-06

    It's this:

    It's pretty long in the tooth now - it's pretty old! But there's an amazing community and new core team that still keeps it up to date.

  • Friendica

    Friendica Communications Platform

  • Project mention: Facebook Groups alternatives? | /r/selfhosted | 2023-12-07

    You might want to look into some of the Facebook-like open-source social networking programs like Friendica, Hubzilla, Libervia, or GNU Social

  • MyBB

    MyBB is a free and open source forum software.

  • Project mention: Best way to host a small forum? | /r/webhosting | 2023-12-08

    Excellent! Glad we could get you sorted! Hosting can be scary and it's okay to be afraid to touch things or not understand certain settings or terms. Especially if you're new. The key is to read the documentation. For your forum needs, this can be found at and

  • OSSN

    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.

  • Project mention: OSSN as an alternative? | /r/Wordpress | 2023-08-22
  • Cypht

    Cypht: Lightweight Open Source webmail written in PHP and JavaScript

  • FusionPBX

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

  • Project mention: Anybody care to share their opinion on phone system options? | /r/sysadmin | 2023-05-24

    FusionPBX. FreeSWITCH backend with a fairly intuitive GUI and multi-tenant front-end. Free; active community.

  • phpList

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

  • Simple Machines Forum

    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! (by SimpleMachines)

  • Project mention: InVision design collaboration services shutdown | | 2024-01-04
  • FluxBB

    FluxBB is a fast, light, user-friendly forum application for your website.

  • Mibew

    Mibew Messenger - open-source live support application

  • WebMail Lite

    AfterLogic WebMail Lite PHP. Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel.

  • Anahita

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

  • BuddyPress

    BuddyPress DEVELOPMENT repo. This repository is just a mirror of the development SVN at Please include a link to a pre-existing ticket on with every pull request.

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2024-04-06.

PHP Communication systems related posts


What are some of the best open-source Communication system projects in PHP? This list will help you:

Project Stars
1 Flarum 14,884
2 HumHub 6,214
3 Roundcube 5,501
4 PixelFed 5,400
5 RainLoop 4,050
6 LibreNMS 3,519
7 AnonAddy 2,994
8 Vanilla Forums 2,818
9 Live Helper Chat 1,890
10 phpBB 1,778
11 Elgg 1,621
12 Friendica 1,369
13 MyBB 1,029
14 OSSN 1,031
15 Cypht 911
16 FusionPBX 711
17 phpList 709
18 Simple Machines Forum 574
19 FluxBB 503
20 Mibew 468
21 WebMail Lite 439
22 Anahita 431
23 BuddyPress 223
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives