Data Ladder - Data Ladder is a data quality software helping business users get the most out of their data through data matching, profiling, deduplication
Email Verifier - Email verifier app lets you verify email.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Bulk Email Verifier - Clean up your large mailing lists before you use them. Clean list increases your reputation in MailChimp, AWeber, or Campayn.