WyattERP is a set of tools created for the purpose of making it possible for even a small enterprise to develop its own fully-functioning ERP system. Your own IT people can learn to use WyattERP tools to make a database-driven system to run every aspect of your business. You can design your own system that runs according to your company's way of doing business. You will own and understand your design so you can maintain and extend it as much as you like.

Wylib and Wyseman are open source tools used for creating fully customizable, affordable ERP solutions on a Linux platform using the PostgreSQL database backend and the Tcl scripting language. Wylib provides an easy to use, robust, application framework. Wyseman provides a way to create database models using user defined schema files. Wylib and Wyseman interact with the PostgreSQL database to provide a starting point for a seamless ERP solution.