opentaps is a Java Open Source ERP and CRM system with integrated Open Source business intelligence. It is designed to bring together all parts of your organization, so that you can work together more effectively and make better business decisions. Because opentaps is open source ERP & CRM, you can download, modify, use, and distributed for free.

OneOrZero provides an Open Souce Help Desk Software & Knowledge Base Software backed by a highly configurable and extensible Action & Information Management System which allows you to ‘build your own system’ on the fly.

vtiger CRM is a Free, Full-Featured & Open Source CRM Software ideal for small and medium businesses, with low-cost product support available to production users that need reliable support.

vtiger CRM is a widely used product with thousands of users in dozens of countries. It has a vibrant community of users driving the product forward, and contributing to it’s development. Over a million copies of vtiger CRM have been downloaded by our users.