CRMfusion - CRMfusion is a suite of data quality and data integration tools that integrate well with Salesforce.
SAS Data Quality - SAS Data Quality gives you a single interface to manage the entire data quality life cycle: profiling, standardizing, matching and monitoring.
MapAnything - MapAnything is a mapping and geo-analytics solution available to Salesforce users that provides mapping, schedule planning, and more.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Oceanos - Oceanos is a contact data management solution.
Duplicate Check - Start creating data happiness. Find, merge and prevent duplicate records in your Salesforce Organization.