CircleBack - Contact sync application.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Cisdem ContactsMate 4.2.0 - Cisdem ContactsMate: Sync, Create, find, manage, group, fix, and export your Contacts. Try it now!
LeadIQ - VP of Sales. Every second in sales counts. You hired your sales team to sell, not do data entry. LeadIQ will pump up your sales team with accurate prospect data and a smooth workflow so you can fill up your pipeline faster.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
LeadFuze - B2B Lead Generation & Sales Prospecting Software.