Tetra is an software and website development IT company Tetra offers Open source and Linux solutions including Zimbra Mail Server Customer Relationship Management Software HR Software E-Commerce web sites Tetra is expert in designing amp developing CRM software HRMS software using open source solutions and Java platform HRMS packages are designed to support customization so most businesses implement the best practices embedded in the acquired Human Resource Management System Providing a range of Enterprise Mailing and Collaborative solutions and services expected by organizations based on Zimbra Mail Server Tetrain com build corporate web sites e-commerce web sites using Open source technologies like Joomla Magento etc These technologies allow cost effective web sites with back end content management system integrated with payment gateways For more details call us on 011-47521742 46521740 or visit http tetrain com