Content Management Systems supports in content management. It is often used for website development frameworks.
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Customer relationship management (CRM) is a system for managing a company’s interactions with current and future customers. It involves using technology to organize, automate and synchronize sales, marketing, customer service, and technical support.
(Quote & Read more at: http://en.wikipedia.org/wiki/Customer_relationship_management)
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Data Management System – handle your enterprise data and documents effectively.
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ERP – Enterprise Resource Planning Software processes business resources in order to optimize the outcome.
ERP Business management software – usually a suite of integrated applications – that a company can use to collect, store, manage and interpret data from many business activities, including:

Product planning, cost and development
Manufacturing or service delivery
Marketing and sales
Inventory management
Shipping and payment
(Quote & Read more at: http://en.wikipedia.org/wiki/Enterprise_resource_planning)
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Member Management Solution to manage your members and associations. Bill them, organize events, send news and much more.
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Project management to schedule, distribute and track tasks and capacities.