Open Source PHP Communications Software

SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.

Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.

Multiuser HylaFAX PHP/MySQL Web interface for viewing faxes online, downloading & emailing in PDF format, and categorizing & archiving all sent and received faxes.

Kalkun is an open source web-based SMS (Short Message Service) manager. It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem. Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/

phpMyChat-Plus is an easy-to-install, easy-to-use multi-room PHP/DB chat. It is currently available for MySQLi, MariaDB, PostgreSQL, and ODBC. It supports IRC-like commands, moderators, is available in 24 languages and fully compatible with php7.

FUDforum is a super fast and scalable discussion forum. It is highly customizable and supports unlimited members, forums, posts, topics, polls & attachments. It can import XML Feeds and sync with USENET groups and Mailing Lists (bi-directional).

MOVED: This project has moved to https://github.com/Frug/AJAX-Chat AJAX Chat is a fully customizable web chat implemented in JavaScript, PHP and MySQL which integrates nicely with common forum systems like phpBB, MyBB, PunBB, SMF and vBulletin. A Flash and Ruby based socket connection can be used to boost performance.

Project management and collaboration over the internet. Features team/client sites, task assignment, document repository/workflow, gantt charts, discussions, calendar, notifications, support requests, weblog newsdesk, invoicing, and many other tools.

Owl is a multi user document repository (knowledgebase) , document manager and/or document management system (DMS) written in PHP for publishing of files/documents onto the web for a corporation, small business, group of people, or just for yourself. Final Code Hosted on GitHub

NOCC is a simple and fast Webmail client which can handle POP3 and IMAP mailboxes and sends email via SMTP. It is written with PHP, has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages. The installation guide comes with the source code: https://sourceforge.net/p/nocc/code/HEAD/tree/trunk/webmail/docs/INSTALL If you encounter problems or bugs you can always try the current HEAD version: https://sourceforge.net/p/nocc/code/HEAD/tarball?path= Questions, bug reports or support requests are very welcome: https://sourceforge.net/p/nocc/_list/tickets Alternative source code repository: https://github.com/oheil/NOCC

Simple Groupware is a complete open source enterprise application offering email, calendaring, contacts, tasks, document management with WebDAV, synchronization with cell phones and Outlook over SyncML, full-text search and many more.

Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.

An easy to use PHP system, requires no databases. It can display all, or selected files and subdirectories in a specified directory. Comes in both a basic listing version, and a much more extravagant management version with users and permission schemes.

Guestbook for Slovak people and other. Guestbook have got easy administration, using PHP and MySQL.

ReloadCMS is a free CMS written on PHP and based on flat files. It does not need any DB installed(!) and realise all abilities of high-level CMS like modularity, templates, users management, advanced rights system and package of main modules.

A PHP-based game portal. It has also bonus materials, and it's also prepared for forum engines (optimised for phpBB). The part of this project is also a (well-documented) collection of algorithms useful for users without PHP-knowledge.

ItsEaling (Ealing Studios London UK) is a web based application which enables new p2p users to locate movies and new friends via the Internet. Expert p2p users can accumulate and trade p2p and other movie information for fun, recognition and cash.

LimeSurvey is a survey software to create online surveys. Features open/closed surveys, branching, participant administration, quotas, WYSIWYG HTML editor, email invitations & reminders, assessments, basic statistics and more.

Roundcube Webmail is a browser-based, multilingual IMAP client with an application-like user interface. Roundcube provides the full functionality you'd expect from an email client, including MIME support, address book, folder manipulation, message searching, and spell check. Roundcube is written in PHP and JavaScript.

SuRReal's ForumX is a renamed Forum2003 PHP Bulletin Board using various kinds of sql databases, xhtml standards and a little bit of javascript. It has all the features that the normal user-friendly BB should have.

NETOFFICE EIS: CRM/SRM Corporate AddressBook ; iCAL Corporate Calendar + Agenda ; eMSG MailBox Email + Fax Messagery ; DMS FileManager + Document Management ; EXTM ModExpress (modules / extra apps: financial, sales) ; CPanel administration ; Intercha