Cloze - Smarter Relationship Management
Ryze App - Ryze is the Personal Relationship Manager designed to help you build, maintain, and add value to your relationships and personal network.
Propeller CRM - Small business CRM with deep Gmail integration
Streak - Manage customers inside Gmail
ZooWho - Who's Who in Your Zoo? A free personal CRM mobile app to keep track of your friends and family.
SuiteFlow - SuiteFlow is a product to customer management solution offering a host of tools to manage inventory, contacts, invoices etc.