All-in-one sales intelligence and engagement platform
Apollo.io combines a database of 275M+ contacts with powerful prospecting, sequencing, and engagement tools. The go-to platform for modern sales teams, offering accurate B2B data, email finding, and automated outreach in one unified workspace.
Best for: Sales teams wanting an all-in-one platform for prospecting, enrichment, and outreach
Key Features
- ✓275M+ contact database
- ✓Email sequences & automation
- ✓Chrome extension for LinkedIn
- ✓Intent data & signals
- ✓CRM sync & enrichment
Integrations
SalesforceHubSpotOutreachSlackZapierLinkedIn
Pricing: Free plan available, paid from $49/month
AI-powered data enrichment and workflow automation
Clay is a powerful data enrichment and automation platform that connects 75+ data providers to help you build hyper-personalized outbound campaigns. Use AI to research prospects, enrich data from multiple sources, and automate complex workflows without code.
Best for: Growth and sales teams wanting to build sophisticated, personalized outbound at scale
Key Features
- ✓75+ data provider integrations
- ✓AI-powered research agent
- ✓Waterfall enrichment
- ✓No-code workflow builder
- ✓Dynamic personalization at scale
Integrations
ApolloZoomInfoClearbitOpenAISalesforceHubSpotOutreach
Enterprise B2B data and intelligence platform
ZoomInfo is the market-leading B2B data platform trusted by enterprise sales and marketing teams. Provides the most comprehensive company and contact database with intent data, org charts, and advanced filtering for precision targeting.
Best for: Enterprise sales teams requiring comprehensive B2B data and advanced intent signals
Key Features
- ✓Largest B2B contact database
- ✓Buyer intent signals
- ✓Org charts & hierarchies
- ✓Technographic data
- ✓Website visitor identification
Integrations
SalesforceHubSpotMarketoOutreachSalesLoftMicrosoft Dynamics
Pricing: Contact for pricing (enterprise)
Accurate contact data for B2B prospecting
Lusha provides highly accurate B2B contact and company data with a focus on verified phone numbers and emails. Known for its simple interface, browser extension, and strong data accuracy in the mid-market segment.
Best for: Sales reps and recruiters who need quick access to accurate contact information
Key Features
- ✓Direct dial phone numbers
- ✓Verified email addresses
- ✓Chrome extension
- ✓Bulk enrichment
- ✓API access
Integrations
SalesforceHubSpotOutreachSalesLoftPipedriveZoho CRM
Pricing: Free plan available, paid from $36/month
Premium B2B data with phone-verified contacts
Cognism is a premium B2B data provider with a focus on GDPR-compliant, phone-verified mobile numbers. Strong in European markets and known for Diamond Data, their human-verified contact database with 98% accuracy.
Best for: European sales teams and companies prioritizing GDPR compliance and verified mobile numbers
Key Features
- ✓Diamond Data (phone-verified)
- ✓GDPR & CCPA compliant
- ✓Intent data integration
- ✓Chrome extension
- ✓Global coverage with EU focus
Integrations
SalesforceHubSpotOutreachSalesLoftMicrosoft DynamicsPipedrive
Pricing: Contact for pricing
Prospecting platform for sales development
LeadIQ helps SDR and sales teams capture leads from anywhere on the web, sync them to CRM, and personalize outreach. Built specifically for the prospecting workflow with AI-powered message writing and seamless CRM integration.
Best for: SDR teams wanting a streamlined prospecting workflow with AI-assisted messaging
Key Features
- ✓One-click lead capture
- ✓AI message writer (Scribe)
- ✓CRM sync & deduplication
- ✓Prospect tracking
- ✓Team collaboration
Integrations
SalesforceHubSpotOutreachSalesLoftSlackLinkedIn Sales Navigator
Pricing: Free plan available, paid from $36/month
Real-time search engine for B2B sales leads
Seamless.AI uses AI to find verified contact information in real-time, rather than relying on a static database. Known for its aggressive approach to data finding and real-time verification of emails and phone numbers.
Best for: Sales teams wanting unlimited real-time lead generation with AI-powered search
Key Features
- ✓Real-time contact finding
- ✓AI-powered search
- ✓Buyer intent data
- ✓Chrome extension
- ✓Autopilot list building
Integrations
SalesforceHubSpotOutreachSalesLoftZapierLinkedIn
Pricing: Free plan available, paid plans vary
Find emails and phone numbers for any professional
RocketReach provides email and phone lookup for over 700 million professionals across 35 million companies. Popular for its extensive database, accurate data, and simple interface for finding contact information.
Best for: Sales and recruiting professionals who need reliable email and phone data
Key Features
- ✓700M+ professional profiles
- ✓Email finder & verification
- ✓Direct dial numbers
- ✓Bulk lookup
- ✓Browser extension
Integrations
SalesforceHubSpotZapierOutreachChromeLinkedIn
LinkedIn-first prospecting tool for European markets
Kaspr extracts contact data directly from LinkedIn profiles with a focus on European B2B data. Known for strong GDPR compliance, accurate European phone numbers, and seamless LinkedIn Sales Navigator integration.
Best for: European sales teams prospecting primarily through LinkedIn
Key Features
- ✓LinkedIn data extraction
- ✓European phone numbers
- ✓GDPR compliant
- ✓Automated workflows
- ✓Team collaboration
Integrations
LinkedInLinkedIn Sales NavigatorSalesforceHubSpotPipedriveZapier
Pricing: Free plan available, paid from €49/month
Domain search and email verification at scale
Hunter.io specializes in finding and verifying professional email addresses. Enter any domain to find associated emails, verify addresses before sending, and build targeted prospect lists with confidence.
Best for: Marketers and sales reps who need to find and verify email addresses at scale
Key Features
- ✓Domain email search
- ✓Email verification
- ✓Email pattern finder
- ✓Cold email campaigns
- ✓API for developers
Integrations
SalesforceHubSpotPipedriveZapierGoogle SheetsZoho CRM
Pricing: Free plan available, paid from $49/month