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/
tinyCampaign is a simple and lightweight newsletter system.
tinyCampaign is a simple and lightweight newsletter system built on a nice Bootstrap and the Liten framework. You can send out simple and beautiful HTML emails with ease.
Must have shell access to install and update. Full installation instructions can be found here: https://tinyc.7mediaws.org/knowledge-base/installation/
The Expresso Livre is a collaborative software that gathers functions of electronic mail, calendar, contacts center, workflow, filemanager and messenger developed starting from Egroupware.Several improvements were developed including easier interface
MailBlaster is an easy way to create and send e-mail to groups of addresses. It is easily tweaked for individual needs. It includes a list manager and wysiwyg html message editor, and an easy to edit config file.
IlohaMail is a PHP based lightweight full featured multilingual webmail program with IMAP and POP3 support. IlohaMail also includes a full-featured contacts manager, bookmarks manager, and scheduler.
Enterprise Collabortion Suite 2004. ECS2004 is a Web Mail, Shared Calendar, Projects, Helpdesk, Survey Engine, File Manager, Contacts, Forums and IM suite. Easy to use and a very low user learning curve. Professional look and feel. Easy installation.
pVigil is an Objected Oriented Bug/Issue manager API (LGPL) written in PHP and several "example" user interfaces (GPL) such as e-mail, web, windows (VB) and Soap/XML-RPC. It uses the file system for storage, or you may choose from a variety of SQL DBs.
Virtual Postfix Web Manager with Modern Architecture
Humming Mail aims to become an easily customizable Postfix Administration interface. It supports plug-ins, different SQL backend configurations.
More than any other web mail admin, Humming Mail can be extended by adding new pages, fields, relations rules and custom look.
Humming Mail is based on Agile Toolkit which makes User Interface development an easy job.