ZAD ERP is a web application built with respect of respect to wikt:S3S rule:

A Software must be Simple to develop
A Software must be Simple to install
A Software must be Simple to use

Features:

ZAD ERP includes the most important features of an ERP/CRM, excluding accountability. It is highly modular and is characterized by its ease of installation and ease of use despite the large number of features that can be activated by the means of modules.

Main features:

• Products and services catalog
• Stock management
• Management of cash/bank accounts
• Directory of clients, prospects, suppliers
• Directory of people
• Commercial actions management
• Orders management with PDF export
• Estimates with PDF export
• Contracts management
• Invoices management with PDF export
• Payments follow-up
• Management of previous deductions
• Deliveries management

Other modules:

• Association members management
• Bookmarks management
• EMailing
• WebCalendar connectivity interface
• Reporting
• Export functionalities
• LDAP connectivity interface
• Donations management
• Notifications management

Other features:

• Multi-user, permissions by feature
• Multiple menus managers (allows differences between internal "back-office" and external "front-office"
• usage)
• Easy to install. Easy to use
• Several display themes
• Code highly customisable
• Works with MySQL 3.1 or higher
• Works with PHP 4.1 or higher

Architecture:
ZAD ERP is written in PHP. It uses MySQL databases. It works with a wide choice of hosting services or servers. ZAD ERP works with all PHP configurations and does not require any additional PHP module.