Bulk Email Verifier - Clean up your large mailing lists before you use them. Clean list increases your reputation in MailChimp, AWeber, or Campayn.
Toby for LinkedIn - Save yourself needless clicks and your precious time & See company info without exiting the profile pageSimple as that
Email Verifier - Email verifier app lets you verify email.
Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Profile Hopper - Chrome Extension to Growth Hack LinkedIn