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 List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Email Verifier - Email verifier app lets you verify email.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Find Any Email - Find Any Email is a free email finding tool that finds and verifies email addresses in seconds...
Trumail - Free email verification API