Hunter - Find all the email addresses related to a domain
SyncWith for Google Sheets - Data from any app into Google Sheets, reports & dashboards
Snov.io - More leads. More sales. More revenue.
SheetHacks by Polymer Search - Discover the best tips & tricks for Google Sheets & Excel
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
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