ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Cloudingo - Cloudingo - a cloud-based SaaS, connects to Salesforce and allows system administrators to scan their entire database for similar or duplicate records.
Clearbit - Clearbit provides Business Intelligence APIs
CRMfusion - CRMfusion is a suite of data quality and data integration tools that integrate well with Salesforce.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
ZaapIT - Mass Merge, auto merge, duplicates cleanup, bulk edit, bulk update, bulk delete , mass lead convert