Signal Detection
Where intent lives — time-stamped events whose value decays: website intent, product usage, conversation signals, community/social, and third-party (hiring, funding, tech changes).
Jobs in this category
- Knock AIest. 2023Paid
Messaging-first AI SDR that replaces forms to qualify and route B2B buyers across web, Slack, WhatsApp, and LinkedIn.
- Warmlyest. 2020Freemium
De-anonymizes website visitors at the person level and engages them via AI chat, email and ads.
- CoffeePaid
AI-native CRM whose tracking pixel identifies individual website visitors and recommends top prospects to act on.
- Instantlyest. 2021MCPAPIFreemium
Cold email outreach and deliverability platform with unlimited sending accounts, warmup, and a unified inbox.
- RB2Best. 2023Freemium
Identifies anonymous US website visitors at the person level and pushes their name, LinkedIn profile and business email to Slack.
- Vectorest. 2022Contact
Matches anonymous website and ad activity to verified individual contacts without form fills or third-party cookies.
- Leadpipeest. 2023Paid
Identifies anonymous website visitors and returns full contact profiles (name, email, company, title, phone, LinkedIn) in real time via webhooks or integrations.
- Happierleadsest. 2019Freemium
Identifies the person behind anonymous website visits and enriches them with verified contact data across 170+ countries.
- Snitcherest. 2015Paid
Identifies companies visiting your website using reverse-IP lookup and provides firmographic data, intent signals, and CRM integrations.
- Albacrossest. 2014Paid
Identifies companies visiting your website via reverse-IP lookup, enriches with firmographic data, and segments outreach. GDPR/CCPA compliant.
- Leadfeederest. 2012Paid
Identifies companies visiting your website by matching IP addresses to an IP-to-company database, providing firmographics, contacts, and buying-intent signals.
- Lead Forensicsest. 2009Contact
Identifies anonymous website visitors at the company level via reverse-IP lookup and provides business names, decision-maker details, and firmographics.
- Leadinfoest. 2017Paid
Identifies companies visiting your website using IP-based detection, provides decision-maker contact data, and enables follow-up via email, LinkedIn, and CRM.
- PostHogest. 2020MCPAPIFreemium
Open-source product analytics with session replay, feature flags, A/B testing, and surveys in one platform.
- Amplitudeest. 2012MCPAPIFreemium
Digital analytics platform for behavioral analytics, experimentation, and customer data.
- Heapest. 2013APIFreemium
Autocapture product analytics that records all user interactions without manual event tagging.
- Statsigest. 2021MCPAPIFreemium
Experimentation, feature flags, product analytics, and session replay platform.
- Microsoft Clarityest. 2020Free
Free behavioral analytics with heatmaps, session recordings, and AI insights for websites.
- PostHogest. 2020MCPAPIFreemium
Open-source product analytics with session replay, feature flags, A/B testing, and surveys in one platform.
- Mixpanelest. 2009MCPAPIFreemium
Event-based product analytics for tracking user interactions, funnels, retention, and flows.
- Amplitudeest. 2012MCPAPIFreemium
Digital analytics platform for behavioral analytics, experimentation, and customer data.
- Heapest. 2013APIFreemium
Autocapture product analytics that records all user interactions without manual event tagging.
- Statsigest. 2021MCPAPIFreemium
Experimentation, feature flags, product analytics, and session replay platform.
- Microsoft Clarityest. 2020Free
Free behavioral analytics with heatmaps, session recordings, and AI insights for websites.
- RudderStackest. 2019MCPAPI
Warehouse-native customer data platform to collect, unify (identity resolution), activate (200+ destinations), and govern event data.
- Jitsuest. 2020APIOpen Source
Open-source data ingestion engine that streams event data from sites and apps to data warehouses.
- Snowplowest. 2012MCPAPIFreemium
Behavioral data platform that collects, validates, enriches, and loads first-party event data into your warehouse.
- Segmentest. 2011APIFreemium
Customer data platform that collects, unifies, and routes first-party event data across sources and destinations.
- mParticleest. 2013APIContact
Mobile-first customer data platform that collects, unifies, and activates customer data in real time.
- OneprofileAPIFreemium
Direct-sync customer data platform that keeps SaaS tools and databases in sync without a warehouse or ETL.
- CustomerLabsest. 2013Freemium
First-party data-ops platform and CDP with server-side tracking, identity management, and audience activation for marketers.
- Stapeest. 2020MCPAPIFreemium
Managed hosting for server-side Google Tag Manager, plus APIs for Meta CAPI, TikTok Events, and data enrichment.
- Tracklutionest. 2016Paid
Server-side tracking that uses first-party cookies and Conversion APIs to send event data to ad platforms.
- TAGGRSest. 2022Freemium
Server-side Google Tag Manager hosting on EU infrastructure that collects and distributes consented first-party data.
- Addingwellest. 2021Freemium
Managed hosting for server-side Google Tag Manager with tag health monitoring and alerting.
- JENTISest. 2020Contact
Server-side data capture platform that shifts website data collection to EU-hosted servers for GDPR-compliant first-party data.
- CustomerLabsest. 2013Freemium
First-party data-ops platform and CDP with server-side tracking, identity management, and audience activation for marketers.
- crowd.devest. 2021Open Source
Open-source community data platform that collects and unifies data from community, product, and commercial channels, resolving identities across platforms.
- Clearcueest. 2025Paid
GTM signal engine that tracks person-level buying intent across LinkedIn, social media, job boards, conferences, podcasts, and news, and alerts sales teams.
- Trigifyest. 2023MCPPaid
Social signal intelligence platform that monitors LinkedIn and 11+ social platforms for person-level buying signals, role changes, and funding, routing them to workflows and CRMs.
Curated tools for this category are coming soon.