An automation tool like Agile CRM has been of much help for our marketing, sales and support team as well. (www.agilecrm.com
Agile CRM is the only comprehensive, end-to-end CRM that delivers sales, marketing and support automation to help small and medium businesses manage all parts of the customer journey, from a single platform, in order to drive sustainable, scalable growth.
First of all, it's free!!!!! has a simple UI and is yet next-generation.
Just the ease of doing daily tasks like email marketing, SMM, customer communication, newsletters, landing pages, campaigns have made it the most important tool for us!