Hubspot
It is rare that one can find a CRM program that is free and still offers a lot of excellent solutions. Due to the success of Hubspot, it is actually considered to have some of the best CRM solutions available on the market. Unlike other CRM software, Hubspot is actually fully free, because it allows unlimited users, unlimited usage, and unlimited data. It is considered to be an all-in-one CRM program, and some of the features that it has available are customize views, deal & task board, in sync with HubSpot marketing, connecting with one's leads quickly & easily, in sync with today's sales process, easily find new prospects, and works seamlessly with HubSpot sales.