CRMfusion - CRMfusion is a suite of data quality and data integration tools that integrate well with Salesforce.
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
MapAnything - MapAnything is a mapping and geo-analytics solution available to Salesforce users that provides mapping, schedule planning, and more.
Microsoft Data Quality Services - Data Quality
Oceanos - Oceanos is a contact data management solution.
Oracle Data Quality - Overview of Oracle Enterprise Data Quality