Open source applications - ERP

Open source software is booming: here we round up over 480 open source applications
for you to use or build upon.
Feel free to add more apps in the comments. And don't forget to subscribe to Mashable for the latest web news and resources. Also see the other entries in this series: ONLINE 
PRODUCTIVITY GOD, WORDPRESS GOD, ONLINE MEDIA GOD and FIREFOX GOD.

ERP

• ADempiere Bazaar  - Adempiere is a community for open source developers contributing improvements of various applications like Compiere, Helpdesk and Supply Chain etc.
• JERPA - JERPA is a Java based advanced level architecture model for ERP software.
• JFire - An exchange platform including ERP, CRM and accounting written in Java.
• Openbravo ERP - A web based ERP for small and medium enterprises; built on proven MVC architecture facilitating code maintenance and customization.
• opentaps - An open source ERP and CRM suite including eCommerce, inventory, warehouse, ledger etc.
• Postbooks - A fully integrated ERP solution for small and medium businesses; features a graphical client which runs on Linux, Mac and Windows.
• Plazma - Plazma is a Java based ERP and CRM solution.
• Sequoia Open Source ERP - The flexible ERP software from Sequoia brings advanced features and scalability for enterprise software along with low TCO.
• Tiny ERP - Packed with features like GTK2 client, distributed server, dynamic GUI.
• Value - Value is an open source ERP/CRM system and features modular capabilities along with seamless integration.
• webERP - webERP is flexible integrated business management software that covers accounts receivable, accounts payable, inventory management and other accounting requirements.
• Wyatt - Wyatt is a cross platform ERP package written in Java with J2EE compliance.