# Introduction

## What is phpGroupWare

phpGroupWare is a multi-user web-based suite written in PHP. It contains many applications, including a Calendar, email package, contact database and project manager. It also includes an extensive API for writing new applications.

## Acknowledgements

I would like to thank the many authors of phpGroupWare and it's applications for creating such a useful and extensible product. I would also like to thank the authors of previous version of the documentation, including Dan Kuykendall, Joseph Engo and Darryl VanDorp and the authors of the LDP Author guide for teaching me how to use DocBook.

## Notes

This document is based upon the current CVS release, where possible I included notes relating to the current stable release (0.9.12). This is a work in progress, please email any corrections to phpgroupware-docteam@gnu.org.