Openbravo is the world’s most complete and scalable open source ERP Platform, featuring modular architecture and a model-driven core that automatically generates a powerful browser UI and REST web services based on your data model. Openbravo embeds a fully integrated set of best-in-class open source IT building blocks including workflow (Activiti BPM), reporting (JasperReports) & analytics (Openbravo Analytics), as well as an integrated mobile web framework — making Openbravo the most productive way to build end to end, multi-device user experiences that both end users and enterprise IT will love.
Quartz is a 
PostgreSQL is a powerful, enterprise-grade open source database system that is production-proven to multiple terabytes with OLTP workloads. It is freely available for easy on premise installation on all major server operating systems, and is also available as a scalable database cloud service (
Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations worldwide. As the reference open source software implementation of the Java Servlet and JavaServer Pages technologies, Tomcat provides a proven runtime environment to deploy Java-based enterprise applications like the