Top 11AI made for AI

Free sales · data in the Top 11

7 providers in the Top 11 The 11 Best B2B Data Providers & Contact Databases 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 7 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best B2B Data Providers & Contact Databases.

  1. #1Apollo.io(rank #2 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    Unbeatable value, combining a huge database with sales engagement tools. Perfect for startups and SMBs.

    Full Apollo.io review · Compare: Apollo.io vs Lusha · Alternatives

  2. #2Lusha(rank #4 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    Simple, user-friendly platform with a great browser extension, ideal for individual reps and small teams.

    Full Lusha review · Alternatives

  3. #3Uplead(rank #6 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    Offers a 95% accuracy guarantee with real-time email verification, ideal for email-centric sales teams.

    Full Uplead review · Alternatives

  4. #4Clearbit(rank #7 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    A top-tier data enrichment platform for marketing teams to enhance inbound leads and personalize websites.

    Full Clearbit review · Alternatives

  5. #5Seamless.AI(rank #9 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    A real-time search engine for contacts, offering unlimited credits ideal for high-volume outbound teams.

    Full Seamless.AI review · Alternatives

  6. #6RocketReach(rank #10 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    A massive database of 700M+ profiles, useful for finding specific individuals for sales or recruiting.

    Full RocketReach review · Alternatives

  7. #7Clay(rank #11 in The 11 Best B2B Data Providers & Contact Databases)

    Free tier

    A data orchestration platform that connects multiple data sources to build powerful, automated prospecting workflows.

    Full Clay review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .