Open Source Java Email Software

Ever wanted to get rid of Outlook ? DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway allowing users to use any mail client with Exchange and Office 365, even from the internet through Outlook Web Access on any platform, tested on MacOSX, Linux and Windows

Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see www.zimbra.com for the latest news and downloads.

CentraView - Browser based Enterprise Java (J2EE) Contact Management, Groupware, Collaboration, CRM, SFA, Project Management software. Run locally or as a hosted service. Built on Apache Tomcat, JBoss, MySQL, Linux (Fedora, RedHat and others) & Windows

Helper is an integrated PIM and social networking (blog, RSS, foaf, etc) client. Allows to store, annotate and navigate information uniformly by means of folders, tags and categories. Based on OWL, Eclipse RCP and open standards (Dublin Core, foaf, etc).

Open Project Services (OPS) is a project collaboration platform, integrating server components such as e-mail, calendaring, timesheets, documents, knowledge, etc. with standards complient clients. It consists of a project server and a set of client plugi

Open-Xchange collaboration suite. Visit http://www.open-xchange.com/header/community_area.html to get more information about getting support and reporting bugs.

CentraView - european version is a (temporary) fork of the CentraView project, with patches and additions to make it comfortable for european users. The current development version is not fully compatible to the original Centraview application.

As an open source project for project management, Factory lets you organize actors in teams, define projects, create version-based plans, generate forecast calendars and track statuses. Small and stand alone, it runs on every system with Java.

- development stopped! - GATMAN - The first known combination of a network/user administration and a groupware solution - Latest technologies such as JAVA,XML,JSP and strong encryption are used - Modular design, high scalability - Accessible by client an

Meqaris (Meeting Equipment and Room Invitation System) is a system that allows booking meeting/conference rooms and other equipment or resources (like mobile whiteboards, projectors or conference audio/video sets) by using the same type of e-mail invitations that are used to invite participants to meetings. Especially useful in corporate environments, but can be used for anything in general, even by individual users. Simply add "resource participants" to the recipient list (just like other attendees) of your e-mail invitation to book the resource and wait for a response. See the project homepage https://meqaris.sourceforge.io and the project Wiki in the menu above.

Sort the contents of VCF (VCard) and ICS (ICalendar) files.

Web based PIM written in Java

Referee Manager is an offline, stand-alone program for managing table tennis umpires, referees, and their assigments. Development takes place in gitlab, releases are released as git tags in gitlab or files here in sourceforge. https://gitlab.com/open-tt/refereemanager/

Teamworks is an opensource groupware built on top of JAVA/.NET web services backend with Mozilla XUL as the client UI

A Java-based POP/IMAP email client and address book application. Extensible/plug-in system, for additional features and groupware capabilities.

justwork.groupware is a teamwork suite. Feature list includes address book, calendar, email client, portal integration, project and task management, etc. Project is developed in Java(tm) is based on J2EE(tm) for scalability and maintainance reasons.

opensource java based groupware application framework including: Mail, Calendar, Task, Addressbook personal and groupware moduls

OpenJean is a cross-platform, extensible, personal information manager. It includes: file manager, RSS aggregator, calendar and appointments diary, mailer, image manager, multimedia manager, favorites, notes, tasks, anniversaries, topics and address book

A practical and free form PIM for managing conversations, communities, events, actions and resources.