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Free Lead Forensics alternatives: 1 app ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

1 of the 6 Lead Forensics alternatives we track can be used for free (free, open source, or with a free plan). 6sense ranks highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
16sense logo6senseFree plan + paid—NoWeb, Browser extension4 of 446.8
  1. 6sense logo

    1. 6senseTop pick

    Best for: Mid-size and enterprise B2B teams running account-based programmes across sales and marketing

    Free plan + paidWeb, Browser extension

    46.8

    score / 100

    Why switch from Lead Forensics

    Enterprise account identification that pairs anonymous visits with buying-intent data and ad targeting.

    Pros

    • Combines website visitor identification, intent and predictive scoring
    • Ads, segments and sales alerts in one platform
    • Deep Salesforce and HubSpot integrations plus REST API

    Cons

    • No public pricing; annual contracts through sales
    • Long setup before scores and segments become useful
    • Results depend on the quality of your CRM data
    Visit 6sense Details and reviews
    How this score is calculated
    Editorial fit ×0.334
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is 6sense a good Lead Forensics alternative?

    Verified facts

    4 of 4 verified
    Visitor identification
    Matches anonymous visitors to companies
    Checked Nov 8, 2026support.6sense.com(opens source in a new tab)
    Predictive scoring
    Yes
    Checked Nov 8, 2026support.6sense.com(opens source in a new tab)
    API
    REST API
    Checked Nov 8, 2026support.6sense.com(opens source in a new tab)
    AI email
    Yes
    Checked Nov 8, 2026support.6sense.com(opens source in a new tab)