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Top OpenSorce Groupware

eGroupWare (

 eGroupWare is many things. It is a very flexible pluggable framework capable of hosting applications like a group calendar, AddressBook, Email, accounting ledger, inventory, and whatever else your can think of. These applications can share a common user store, and a flexible Access Control List (ACL) system to control access and information sharing. At it's core there is the phpgwapi, an API written for php, that provides some very useful functions and tools for developers, including the user store, which has several back ends, database abstraction, and a flexible templating system. Applications are then written using the phpgwapi and phpgw framework to provide web based tools to users.

phpGroupWare (

phpGroupWare - formerly known as webdistro - is a multi-user groupware suite written in PHP.

It provides about 50 web-based applications, as there are the Calendar, Addressbook, an advanced Projects manager, Todo List, Notes, Email, Newsgroup- and Headlines Reader, a Filemanager and many more Applications. The calendar supports repeating events and includes alarm functions. The email system supports inline graphics and file attachments.

The system as a whole supports user preferences, themes, user permissions, multi-language support and unser groups. It includes modules to setup and administrate the working environment. The groupware suite is based on an advanced Application Programming Interface (API).

PHProjekt (

PHProjekt is a modular application for the coordination of group activities and to share informations and document via the web. Components of PHProjekt: Group calendar, project management, time card system, file management, contact manager, mail client and many other modules.

Group-Office (

It offers a very wide variety of features that matter. Features you don't need won't be installed. Group-Office stands out when it comes to user friendliness combined with powerfully features. It was developed with the following goals in mind:

The World Wide Wait bugs us all every day and the critical business applications that Group-Office provides can't be hindered by being slow. Group-Office is specifically designed to perform tasks as quickly as possible.

The Graphical User Interface is designed in a way that everybody intuitively finds the functions they are looking for. Group-Office strives to be as simple as possible without losing functionality.

As an ever-changing software product, upgrades should be as painless as possible. This means that good code design is critical. Group-Office is designed in a modular way that makes upgrades easy and painless.

Group-Office is designed to be usable for 1 to thousands of users.

WebCollab (

A collaborative web-based system for projects and project management; WebCollab is easy to use, and encourages users to work together. The software is functionally elegant and secure without being cumbersome for users, or graphically intensive.

The software is ideally suited to tracking multiple projects and innumerable small tasks across an organisation of any size. If you have reminder notes stuck all over your desk, then you need WebCollab!   

    *  Easy to read and intuitive screen layouts. Most users can use WebCollab without training.
    * Individual users are assigned rights and permissions. Users can also be put into groups with controlled rights and permissions.
    * Projects and tasks progress and approaching deadlines are graphically highlighted.
    * Changes are personally highlighted for other users to see.
    * Changes and new items can be emailed to affected users.

And the software is based on mature code base:

    * WebCollab is fast and stable
    * Secure - particular attention has been paid to security. No security scares to date.
    * Robust and scalable. Several years of daily production use.


OBM is a groupware, email, LDAP, Windows PDC, CRM, and project management application. It is mainly used as an Exchange or Notes/Domino groupware and mail server replacement, as an LDAP directory, as a Windows PDC, as a contact and customer database, as a project management tool, or as any combination of these functions. It provides groupware (calendars, contacts, and tasks) connectors for Outlook, Thunderbird/Lightning, and PDAs. It supports internationalization and themes. It is highly scalable, and is used by sites from five to many thousands of users.

Teamwork (

Teamwork is a Web-based groupware for project management. It supplies groupware, issue tracking, cost control, and document and project management features with fine-grained security in a friendly interface. Agile methodologies such SCRUM are supported. Teamwork is easy to integrate with your IT infrastructure. Supports multiple databases (via hibernate), browsers, and languages.

TWiki (

TWiki is a flexible, powerful, and simple Web based collaboration platform. It is suitable for dynamic intranets and knowledge bases, and for sharing and managing documents and collaborative projects. It resembles a normal Web site, but every page can be changed from a browser. It features automatic link generation, full text search, group authorization, Web forms, reporting, change notification, file attachments, revision control of pages and attachments, a modular templating system with skins, hierarchical navigation based on the topic parenting feature, and more. Plugins can be used to enhance the program and build groupware applications.

Horde Groupware (

Horde Groupware is an enterprise ready browser-based collaboration suite. Users can manage and share calendars, contacts, tasks, and notes with the standards compliant components from the Horde Project. Horde Groupware bundles the separately available applications Kronolith, Turba, Nag, and Mnemo. It can be extended with any of the released Horde applications or the Horde modules that are still in development, like a file manager, a bookmark manager, a forum, or a wiki.


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