ContactOut is a Chrome extension that surfaces email addresses and phone numbers while browsing professional profiles. It provides reverse email lookup to find names, LinkedIn profiles, and phone numbers from email addresses.

ContactOut covers 350M+ profiles marketed as triple-verified with 99% confidence. It finds emails and phone numbers for 300+ million professionals on LinkedIn and discovers decision-makers on company websites. The tool enriches GitHub data and offers AI-powered icebreakers. Used by 1.4 million recruiters and sales reps from Fortune 500 companies.
Most accurate email finder for personal and work email outreach
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Verified B2B data and buying signals for GTM teams
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Lusha is a B2B data and buying signals platform providing APIs that expose unified, real-time data across contacts, companies, and signals. It powers enrichment, prospecting, and automated go-to-market workflows.
Affordable B2B data platform built for modern SDR teams
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Lead411 is a B2B sales intelligence and lead generation platform helping sales teams find verified business contacts, buyer intent signals, and company growth data. It provides contact enrichment with verified emails, direct phone numbers, and intent signals.
The Affordable B2B Data Platform Built for Modern SDR Teams
Starting Price
Lead411 is a real-time B2B database built for sales teams that need accurate B2B leads, direct dials, and buyer intent data without credit limits or export caps. It provides verified email addresses, direct phone numbers, company data, and growth intent signals for prospecting.