Open Source Email Software

Manitou-Mail is a free Qt-based database-driven Mail User Agent with associated scripts. It stores mailboxes and mail messages as structured data, accessible (possibly concurrently) by SQL, in addition to providing common mailer features and some more.

Store your contacts and calendars on your own Synology NAS, away from the inquisitive eyes of Google, NSA and others. Baïkal itself is an already existing, lightweight CardDAV (contacts) and CalDAV (calendar) server. The source code is public, and available to everyone on GitHub. Baïkal is copyright (c) 2013 by Jérôme Schneider, the homepage is http://baikal-server.com. This SPK package for Synology integrates the Baïkal "flat package", making it easy to install Baïkal on your Synology NAS. The package and manual were made by Erik "Basalt". => PDF manual can be downloaded here in the [Files] section, highly recommended <= If you like Baïkal, please consider making a small donation to the developer Jerome Schneider. German Synology Forum (writing English is fine): http://www.synology-forum.de/showthread.html?49257-Baïkal-contacts-(CardDAV)-and-calendar-(CardDAV)-installation-package-for-Synology&p=392006&viewfull=1#post392006

An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...

ETODB is a free PHP class which allows to parse and extract data from emails to integrate with other php applications. You can automatically parse email messages and convert email to database records, save attachments to specific folders, browse log.

dBrowser is a PHP/MySQL/PostgreSQL framework/code generator aimed at web/database application developers.

Collection of utilities specifically designed for use with Firebird RDBMS.

A Newsletter mailinglist script, users can subscribe and unsubscribe from Newsletters / Messages sent out from the Admin. This project is now ALIVE! after being killed by its old owner.

Program to automate the backup of the MySQL database & file directory, and send the backup data files to an offsite destination for safe storage through email. Works with Joomla!, Mambo, PostNuke, WordPress & etc. See http://ecommerce.matrix-e.com NO

Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).

Botkiller is a php-script which helps to flood the databases of bots, searching the web for email-adresses. Its goal is to create a huge network of servers running the script and to trap the bots in it while feeding it useless adresses.

ClanOffice is a planning tool for gaming clans, using a mysql server to store and share data. It includes a warplanner and calendar and uses simple built-in irc and mail clients to communicate to fellow gamers. A php websuite is allso available.

CRM aka Customer Relationship Management are applications that manage customers in relation to enterprise life. Our project, Customer Touch CRM, is a CRM application for small/medium firms. The application is easy to use and install.

A PHP Administration interface for the DBMail MTA.

EZMLM-PHPWeb offers users who have subscribed to an ezmlm list the ability to view and search archives from a web interface. EZMLM-PHPWeb allows new users to subscribe and existing users to unsubscribe and perform various ezmlm functions.

The FreeSoftwareShop.org project is combining existing free (GPL'd) software to create personalized, web based, database-driven interfaces for managing and presenting private- and/or publicly available information.

FusionGW is a cutting-edge open-source collaborative software suite. The goal of the FusionGW project is to build a framework to develop enterprise collaborative software under an open-source license.

The Kytane Client is an Open Source front end for the Kytane Data Service which is a internet based data storage mechanism.

Easy and ready-to-use set of .Net Classes to implement LDAP applications (Servers and Clients). Included in the project: - Classes for all types of LDAP Requests and Responses; - Void Server and void Client Classes, ready for custom implementations.

LdapCyradm is a management tool that allows admin and help desk staff to easily do day to day management of an LDAP backed Cyrus imap system. It also integrates the management of the SquirrelMail plugin AmavisNewSQL for per user w/b lists and quarantine

Exploring the possibilities of doing an Operating System completely different than all of the existing ones. Instead of basing it upon concepts that are 40 years old, design it from the ground up object oriented, peer-to-peer, and for security.

Open Source Online Marketing—OSOM—provides a complete backend for generating sales leads on your Web site. Quickly setup a lead database, create registration forms and marketing surveys, send marketing emails, and manage opt-in/opt-out. Compliments CRMs.

OpenMMOd is a open-source event-driven MMORPG Server written in C++ with a YAML packet definition backend. It is MySQL database driven currently with future backend support to come in the future.

OpenNP will be a web-based open source Vertical Application for Non-Profit organizations. It will be a complete web based solution for a non-profit organization.

OpenSubsystems is set of business components such as security, search, inventory management, able to run on various J2EE servers or just using JVM thanks to unique middleware abstraction layer and repository of common application functionality patterns

PHP Mailman allows the integration of Mailman into a dynamic website without using Python or requiring permission to Mailman binaries.