The classic email sending library for PHP
Lightweight Open Source webmail written in PHP and JavaScript
A PSR that provides a set of common interfaces for HTTP messages
InterPlanetary File System HTTP Proxy
PHP Email address validator
Catches mail and serves it through a dream
Async PHP client/server API for the telegram MTProto protocol
Provides mechanisms for walking through any arbitrary PHP variable
A free course management system (CMS) to create online learning sites
Powerful Open Source Email Marketing app with analytics & segmentation
Web based system for Computer Assisted Telephone Interviewing (CATI)
The Free & Popular FLARUM Web Software in a Complete Virtual Machine
PHP driven chat forum
Strong Email & Apache Log Analysis with Active Security Features
Cerberus Content Management System
Unified Communications Server
Simple Libravatar compatible avatar image server
Open source project management