Awesome B2B Prospecting 
A curated list of contact databases, enrichment tools, sequencers, and deliverability platforms for B2B sales and growth teams.
This list covers the full prospecting workflow — finding decision-makers, enriching them, sending deliverable cold email, and tracking engagement.
Contents
- Executive & B2B Contact Databases
- Email Verification
- Enrichment & Intent Data
- Sequencers & Outbound CRMs
- Deliverability & Inbox Warmup
- Lead Generation & Lookup
- Contributing
Executive & B2B Contact Databases
Where to find decision-maker emails and direct dials.
- MessageCEO - 50,000+ verified CEO/CTO/CMO contacts; search by company, industry, or location.
- Apollo.io - 275M+ B2B contacts with built-in sequencer and CRM.
- ZoomInfo - Enterprise-grade B2B contact database with intent data.
- Lusha - B2B contact platform focused on phone numbers and direct dials.
- Cognism - GDPR-compliant contact database with phone-verified mobiles.
- SignalHire - Email and phone finder across LinkedIn and the web.
Email Verification
Clean lists before sending to protect deliverability.
- NeverBounce - Real-time and bulk email verification.
- ZeroBounce - Email validation, scoring, and abuse detection.
- Hunter - Find and verify professional email addresses.
- Clearout - Bulk and instant email verification.
- MillionVerifier - High-volume email verification at low cost.
Enrichment & Intent Data
Add fit and timing signals to your contact list.
- Clay - Programmatic prospecting and enrichment workflows.
- Clearbit - Real-time B2B data and enrichment APIs.
- Bombora - B2B intent data based on content consumption.
- 6sense - Account-based intent and predictive analytics.
- G2 Buyer Intent - Software buyer signals from G2 review traffic.
Sequencers & Outbound CRMs
Send and orchestrate multi-touch outreach.
- Lemlist - Cold email sequencing with personalization at scale.
- Smartlead - Multi-domain cold email infrastructure with built-in warmup.
- Instantly - Cold email outreach with deliverability network.
- Reply.io - Multichannel sales engagement (email + LinkedIn + calls).
- Outreach - Enterprise sales engagement platform.
- Salesloft - Enterprise sales engagement and conversation intelligence.
Deliverability & Inbox Warmup
Make sure your messages actually land.
- Smartlead Warmup - Built-in inbox warmup for cold email.
- Mailflow - Email warmup and deliverability monitoring.
- Mailgenius - Deliverability test and inbox placement check.
- Google Postmaster - Free deliverability metrics for Gmail.
- MXToolbox - DNS, SPF, DKIM, and DMARC diagnostics.
Lead Generation & Lookup
Build target lists from public sources.
- LinkedIn Sales Navigator - Industry-standard B2B prospecting tool.
- Wiza - LinkedIn Sales Navigator scraper that exports to email lists.
- Phantombuster - LinkedIn and other channel automation.
- Seamless.AI - Real-time B2B contact search.
Related Awesome Lists
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- Awesome Healthcare Recruitment - Tools and platforms for sourcing, screening, and hiring physicians, nurses, and other clinical staff.
- Awesome Award Travel - Tools for finding award flights, tracking points and miles, and maximizing credit card rewards.
- Awesome Invoicing - Invoicing software, AR automation, expense trackers, and payment platforms for freelancers and small businesses.
- Awesome PR Tools - PR software, journalist databases, media monitoring tools, and outreach platforms for founders and comms teams.
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Awesome Tech Sales - Tools, contact databases, and resources for selling SaaS and infrastructure to engineering, IT, and tech-leadership buyers.
Contributing
Know a B2B prospecting tool that should be on this list? Open an issue or PR — see contributing.md.