Factors.ai is an account intelligence platform for finding companies that visit a website and combining account-level intent signals.
Alternatives to Knock2
Leadfeeder identifies companies visiting a business website and shows what they view and when to follow up.
Leadberry is web-based B2B lead-generation software that identifies companies visiting a website and presents them as business leads.
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Warmly
Warmly describes itself as an autonomous revenue agent platform for B2B go-to-market teams.
Free planWebAPI7.0From $99 a month - 5

Nalloo
Nalloo identifies companies behind anonymous B2B website traffic, including their company name, domain, and on-site intent.
Free planWebAPI6.9From €75 a month - 6

RB2B
RB2B identifies website visitors and sends visitor information to a CRM, Slack, or an activation platform.
Free planWebAPI6.9From $79 a month - 7

Factors.ai
WebAPI6.8From $199 a month - 8

ConnectLoop Visitor Intelligence
ConnectLoop Visitor Intelligence tracks anonymous website journeys and turns browsing activity into visitor profiles and buying-intent labels for sales teams.
Free planWeb6.7From $599 a month - 9

Albacross
Albacross identifies companies visiting a website, captures buying intent and supports sales and marketing outreach.
WebAPIExtension6.6From €708 a year - 10
Visitor
Visitor is a web service that identifies companies behind website visits and shows what those companies viewed and how often they returned.
Free planWeb6.6From €25 a month - 11

Happierleads
Happierleads identifies anonymous B2B website visitors, revealing person-level details such as work email, LinkedIn profile, and buying intent across 174+ countries.
WebAPIExtension6.5From $0.10 a month - 12

Snitcher
Snitcher identifies companies visiting a website and helps marketing, sales, and RevOps teams act on that traffic.
WebAPI6.5From $49 a month - 13

lead.box
lead.box identifies some anonymous website visits as B2B companies, without requiring visitors to submit a form.
WebAPI6.4From $111 a month - 14

Leadinfo
Leadinfo identifies B2B companies visiting a website through IP recognition and displays results in an account.
Web6.4From €69 a month - 15

Leady
Leady identifies companies visiting a website and reports that activity as business leads, including visits where no contact form is submitted.
WebAPI6.4From $39 a month - 16

LeadJaw
LeadJaw identifies companies visiting B2B websites and displays company name, industry, location, and page history.
Web6.3From $49 a month - 17

LeadLander
LeadLander is paid website visitor analytics and reporting software focused on company-based identification for B2B sales intelligence.
WebAPI6.3From $89 a month - 18

Avina
Avina is an AI go-to-market platform for B2B sales teams, using buying signals to help find prospects, prioritize accounts and automate outreach.
WebAPI6.2From $259 a month - 19
Kwanzoo Signals Hub
Kwanzoo Signals Hub identifies individual website visitors and can return available contact details such as name, title, company, work email,…
WebAPI6.2From $1,500 a month - 206.2From $745.20 a year
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Breakout
Breakout is a web-based AI sales development product that uses website visits and buying signals to help go-to-market teams engage potential buyers.
Web6.1From $2 a month - 22

GOAT Audience IQ
WebAPI6.1From $497 a month - 23
Prospio
Prospio is web software that identifies known leads from outbound campaigns when they visit a website.
Web6.1From £199 a month - 24
Visitor InSites
Visitor InSites is a web service for identifying website visitors and building buyer intent audiences for B2B and B2C use cases.
Web6.1From $299 a month - 25
TAPNET Visitor Identification
TAPNET Visitor Identification is a web product for businesses seeking to understand which companies show interest in their websites.
Free planWeb6.0Free plan - 26
Vector
WebAPI6.0From $36,000 a year - 27

Lead Forensics
Lead Forensics helps B2B organizations identify businesses visiting their websites.
WebAPI5.9 - 285.8
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Leadpipe
Leadpipe identifies anonymous website visitors at person level and supplies contact and company details in real time without a form submission.
WebAPI5.8 - 30

Novieri Visitor Intelligence
Novieri Visitor Intelligence helps sales teams identify companies visiting their website and prioritize which accounts to contact.
Web5.8

