Free sales · intelligence in the Top 11
6 providers in the Top 11 The 11 Best Sales Intelligence Platforms offer a free tier; the most credible is Apollo.io.
Why this answer
Filtered to entries with a published free tier (not just a free trial). When the pricing page is ambiguous we err conservative — paid-only by default.
Showing all 6 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Sales Intelligence Platforms.
#1Apollo.io(rank #2 in The 11 Best Sales Intelligence Platforms)
Free tierBest value platform combining a 275M+ contact database with built-in sales engagement tools.
Full Apollo.io review · Compare: Apollo.io vs Lusha · Alternatives
#2Lusha(rank #6 in The 11 Best Sales Intelligence Platforms)
Free tierA simple and effective tool for reps needing accurate direct dials with a generous free tier.
#3LeadIQ(rank #7 in The 11 Best Sales Intelligence Platforms)
Free tierOptimized for workflow, letting reps push contacts to sales tools with one click.
#4Seamless.AI(rank #8 in The 11 Best Sales Intelligence Platforms)
Free tierFocuses on a real-time verification engine to ensure data accuracy at the point of capture.
#5Clearbit(rank #9 in The 11 Best Sales Intelligence Platforms)
Free tierThe top choice for developers needing a powerful API to enrich data across the tech stack.
#6Clay(rank #11 in The 11 Best Sales Intelligence Platforms)
Free tierA powerful workflow tool to build custom prospecting lists by combining multiple data sources.
Methodology: /methodology · No paid placement ever · Verified .