Sidekick by Hubspot - Customer insight integrated with your email tools.

Evercontact - Your contacts always up to date and automatically with Evercontact.

Sansan - Sansan provides a internal contact sharing service for companies.

CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.

HiHello - Exchange contacts, seamlessly.

Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses