Contao is a content management system (CMS) for people who want a professional Internet presence that is easy to maintain. The state-of-the-art structure of the system offers a high security standard and allows you to develop search engine friendly Websites that are also accessible for people with disabilities. Furthermore, the system can be expanded flexibly and inexpensively. It features easy management of user rights, a Live Update Service, a modern CSS framework, and many integrated modules (news, calendar, forms, etc.).
SUMO Access Manager is a security system for PHP Web applications that can be added using only one line of code. Administrators can manage authentication and authorization for users, groups, and security policies with easy, all through an intuitive Web based interface. You can create users that can authenticate their password via LDAP, MySQL internal users, MySQL/PostgreSQL/Oracle generic users tables, and via Google Mail account.
Atmail is a fully-featured email server and Webmail client, allowing users to send and receive email via a Web browser or mobile device. It has full support for IMAP mailboxes, and an optional email-server mode that uses EXIM as the MTA. Features include a scheduler, MySQL backend support, spell-check, address book, calendar user preferences, multiple accounts, SpamAssassin support, migration scripts from other mail servers, a customizable interface, an attractive AJAX interface, an optional group sharing Calendar/Addressbook, and an Outlook plugin to sync Contacts/Tasks/Calendar data between a Desktop, Mobile, and Webmail client or other email users.