by Clay
Combine many data sources to build and enrich lead lists
The free plan includes 500 actions per month, 100 data credits per month, unlimited seats and tables, and allows running up to 200 rows per table.
by Lusha
Find emails and phone numbers for B2B contacts
Contact data tool that shows emails and phone numbers on LinkedIn and websites.
Free plan. The Free plan provides you with up to 40 credits per month and access to basic prospecting features, browser extension, and CRM integrations.
From their website — their pricing page, checked 2026-11-04
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by Clay
Combine many data sources to build and enrich lead lists
The free plan includes 500 actions per month, 100 data credits per month, unlimited seats and tables, and allows running up to 200 rows per table.
by Apollo.io
Find B2B contacts and email them from one place
The free Starter plan stays free with no time limit and allows connecting Gmail accounts only.
by ZoomInfo
Large B2B database of contacts and companies
The page offers a free trial for various use cases such as prospecting, deal execution, and data enrichment.