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Sales & CRM › Lead Generation & Data
Apollo.io
B2B sales intelligence and engagement platform with a large contact database, prospecting, and email sequences.
- Starts at
- Freemium
- Data status
- Curated listing
Sales & CRM
Sales & CRM › Lead Generation & Data
Tools to find, enrich, and verify B2B leads and contact data for outbound sales.
Quick answer
Apollo.io is the most fully-documented option we list under Lead Generation & Data, best suited for outbound sales teams prospecting at scale.
Clearbit is the main alternative, stronger when you need revOps/marketing teams enriching CRM data.
Every option below lists its pricing caveats and a last-verified date, so you can confirm the details before you buy.
| Tool | Best for | Starts at | Free option | Data status |
|---|---|---|---|---|
| Apollo.io | Outbound sales teams prospecting at scale | Freemium | Free plan | Curated listing |
| Clearbit | RevOps/marketing teams enriching CRM data | Custom | Free trial | Curated listing |
| Kaspr | SDRs prospecting on LinkedIn | Freemium | Free plan | Curated listing |
| Lusha | Sales teams needing direct-dial contacts | Freemium | Free plan | Curated listing |
| ZoomInfo | Enterprise sales and marketing teams | Custom | — | Curated listing |
These are curated listings still pending source review — treat the details as a starting point and verify pricing and fit on the vendor site before deciding.
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Sales & CRM › Lead Generation & Data
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Sales & CRM › Lead Generation & Data
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Sales & CRM › Lead Generation & Data
Enterprise B2B data and go-to-market intelligence platform with contacts, intent, and enrichment.
Apollo.io is the most fully-documented option we list under Lead Generation & Data, best suited for outbound sales teams prospecting at scale. Clearbit is the main alternative, stronger when you need revOps/marketing teams enriching CRM data. Every option below lists its pricing caveats and a last-verified date, so you can confirm the details before you buy.
Most Lead Generation & Data tools here use custom or usage-based pricing, so you'll need a vendor quote. 3 of 5 tools offer a free plan you can start on. Always confirm current pricing on the vendor site before buying.
Apollo.io, Clearbit, Kaspr, and Lusha offer a free plan or trial, so you can test the workflow before committing budget.
These are curated listings still pending source review — treat the details as a starting point and verify pricing and fit on the vendor site before deciding. We order tools by how completely and recently their catalog entry is documented — not by paid placement.