FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Zoho Inventory - Zoho Inventory is an online inventory management software ideal for small businesses. Simplify your inventory and order operations. Try for FREE!
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Fishbowl Inventory - Fishbowl offers manufacturing and warehouse management solutions for QuickBooks.
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.
SellerCloud - SellerCloud is a multi-channel inventory and order management system.