PHProjekt is a groupware suite, which supports coordination and management of group activities, share information and document among the teams and companies via an Intranet and the Internet.

This modular application consists of multiple components, including a group calendar with resource booking, a time card system, project management, a request tracker, a mutual file system, a contact manager, a mail client, a forum, chat, notes, shared bookmarks, to do lists, a voting system, and reminders. An API allows the integration of several available add-ons like, Web shop, WAP suite, sync tools etc.

PHProjekt is an open source free groupware suite. The development team also offers commercial services. Current version of PHProjekt is 5.0, which has been released on 25th June 2005.

PHProjekt supports many protocols like ldap, soap and webdav and is available for 36 languages. It is available with 7 database supports, like MySQL, Postgres, Interbase, Oracle, Informix, MS-SQL etc.

Since PHProjekt is free software it can be redistributed and/or modified under the terms of the GNU General Public License.

Among the numerous features of PHProjekt, the following are quite significant:

- Modular Structure
- Different stages of privileges
- optional group system
- ldap access for users and contacts
- large number of language support
- API to include other applications
- guided installation, update and configuration