opentaps Open Source ERP + CRM is an integrated Java enterprise application that offers ERP, CRM< accounting, ecommerce, Point Of Sales, warehouse, inventory, manufacturing, and supply chain management. It is ideal for retail, distribution, and manufacturing companies looking to streamline and bring together all aspects of their operations. It can be used "out of box" or modified to fit the exact needs of the company. opentaps is compatible with all major databases, including MySQL, PostgreSQL, Oracle, and Microsoft SQL Server and can be deployed on Windows, Linux, and Unix servers. opentaps is free software and can be downloaded and modified without charge by users. Sequoia Open Source ERP is open source, which means that it is free to download, use, and modify under the open source MIT Public License.