Streak - Manage customers inside Gmail
Accompany - Accompany platform integrates with email, contacts, social feeds and more to keep you informed on your professional connections.
Cloze - Smarter Relationship Management
ZynBit - ZynBit simplifies customer relationship management with automation and insights.
Damnlist - Damnlist is a customer database management system.
Highrise - Save and organize notes and email conversations for up to 30,000 customers and contacts. Keep track of proposals and deals.