Sync contacts between Google Contacts and BigContacts
Google Contacts is a free, easy-to-use contact management tool that allows you to organize your contacts in a simple interface with fields and segmentation. It has native integrations to other Google products such as Google Calendar, Google Drive and Gmail.
Bigcontacts is an easily accessible CRM for small businesses. Start by using just the basic contact-organizing functionality and move forward with a more advanced toolset including task and campaign management, lead tracking and 360° contact view.
PieSync offers the only solution in the market to keep your customer data in sync two-ways and in real time, processing new entries as well as historical data. Your contacts are kept in sync automatically, so you don't need to worry about it once the configuration is set up.