Hubspot offers a freemium CRM solution to store and manage your contacts in one place, pulling some of the companies' data (like revenues) from the web. It also allows you to easily manage the pipeline of your deals in one place, track statistics of your sales.
Hubspot easily integrates with your Gmail mailbox. With Hubspot, you will easily plan and record your activity related to particular accounts. Hubspot with its mail tracking functionality will notify you once somebody opens or clicks on your email, helping you act on deals faster.
Hubspot has been created with marketing in mind, with automated management and tracking of your marketing activities. Its extended Marketing Hub version lets you track the activity of your visitors, measure your content's performance, funnel, and set-up specific call-to-action, landing pages.