
Tech Stack
The platforms that power modern GTM operations.
Data
Intent
AI
Enrichment
Automation

Stairoids
Intent
A Dutch signal-based GTM platform that tracks buying signals down to the individual decision-maker, maps the buying group, and pushes warm contacts into your CRM or outreach tools.

LeadIQ
Data
A Chrome extension that captures verified emails and mobiles into Salesforce, Outreach or HubSpot, tracks job changes on your champions, and keeps CRM records enriched on a schedule.

Kaspr
Data
A LinkedIn Chrome extension from the Cognism group that returns European mobile numbers and emails on a free plan, with a web app for lead lists, CSV enrichment and outreach workflows behind it.

HG Insights
Data
Enterprise technographic and IT spend data built from job posts, contracts and filings, so it finds the back-office systems a website scan cannot see.

Explorium
Data
A single B2B data API and hosted MCP server over 146 million companies and 767 million profiles, built for agents to call rather than for reps to click through.

Dealfront
Data
Dealfront names the companies on your site and pairs that with a 60 million company European database, with every record processed inside the EU. The brand became Leadfeeder in March 2026.

Datanyze
Data
The technographics tool ZoomInfo bought in 2018, sold today as a $29 Chrome extension that reveals emails and phone numbers on LinkedIn one credit at a time.

Coresignal
Data
A B2B data vendor selling company, employee and job posting datasets through APIs, flat files and integrations, built for teams putting the data into their own product, warehouse or Clay table rather than in front of a rep.

ContactOut
Data
A LinkedIn contact finder that lives in your browser, backed by an unusually deep personal-email database and a search portal covering 350 million professionals.

CB Insights
Data
A private company and technology market intelligence platform built for corporate strategy, M&A and venture teams, sold on quote-based enterprise contracts.

Twenty
CRM
An open source CRM under AGPL that you self-host or run on Twenty's cloud, with a data model you define, a TypeScript apps framework and REST, GraphQL and MCP access.

Streak
CRM
A CRM that renders as a spreadsheet inside the Gmail tab, with mail merge, email tracking and pipeline stages attached to the threads a small team already works.

Salesflare
CRM
A B2B CRM that builds its own records from your inbox, calendar, email signatures and Android call history, aimed at small teams that resent data entry.

noCRM.io
CRM
An action-driven lead tool where every open lead carries a scheduled next step, built for small phone teams that want a working pipeline without a contact database to maintain.

Nimble
CRM
A relationship CRM that assembles contact records from your email, calendar and public web data, follows you into Gmail, Outlook and any browser tab, and adds a light engagement layer on top.

folk
CRM
A relationship-first CRM that captures people from LinkedIn and other socials in one click, syncs your inbox, calendar and WhatsApp for context, and runs AI assistants over the result.

Copper
CRM
A Google Workspace CRM that runs as a Chrome extension inside Gmail and Calendar, pulling email, contacts, calendar events and Drive files onto the record on its own.

Sybill
Conversations
An AI sales assistant that records the call, writes the summary and the follow-up, fills your CRM fields, and still reads smiles and nods on Zoom video if you let it.

Otter.ai
Conversations
A general-purpose meeting transcriber that records, writes down and summarises any conversation, with a free tier most people have already installed and the sales features parked on the Enterprise plan.

Modjo
Conversations
French conversation intelligence for European revenue teams, hosting every call on AWS in Paris, writing summaries and CRM fields into Salesforce and HubSpot, and running a library of prebuilt sales agents.

Jiminny
Conversations
Conversation intelligence for mid-market revenue teams, with its own browser dialer, scoring frameworks a manager builds around their own methodology, and one flat fee with no platform charge on top.

Claap
Conversations
A sales call recorder with a Loom-shaped past, running with or without a bot, filling CRM fields in HubSpot, Salesforce, Attio and Pipedrive, and scoring deals against MEDDIC or SPICED.

Avoma
Conversations
An all-in-one platform that schedules the meeting, records and summarizes it, then scores the call and rolls the result into a pipeline forecast.

Trellus
Calls
A Chrome extension that coaches a rep live on pace, talk ratio and objections, and turns the dialer they already use into a parallel dialer running up to five lines.

Ringover
Calls
A French cloud phone system that bundles unlimited calling to 90 destinations for European teams, hands out numbers in 65 countries, and pushes every call, transcript and summary into your CRM through signed webhooks.

PhoneBurner
Calls
A single line power dialer that walks your list one number at a time, so the person who answers hears a voice immediately instead of the pause a parallel dialer leaves.

Kixie
Calls
A sales dialer and texting platform for SMB teams that dials up to ten lines at once, calls from a local area code, and logs every call and text into HubSpot or Salesforce on its own.

JustCall
Calls
A cloud phone system for sales teams that puts calls, bulk SMS and WhatsApp in one inbox, dials up to ten lines at once, and moves contacts to and from Clay tables through native actions.

Dialpad
Calls
A full business communications platform where the office phone system, the support contact centre and the sales calling product all run on one account, with Dialpad's own speech recognition transcribing every call as it happens.

ConnectAndSell
Calls
A network of trained human agents dials your list, gets past receptionists and phone trees, and hands your rep a live conversation the moment a real person picks up.

CloudTalk
Calls
A cloud phone system built for teams calling internationally, with numbers in more than 160 countries, four dialing modes running up to ten lines at once, and call records written straight into HubSpot or Pipedrive.

Workato
Automation
An enterprise iPaaS where low-code recipes move data across Salesforce, NetSuite, Workday and a thousand other systems under heavy governance, sold by quote.

Tray.ai
Automation
An enterprise integration platform that connects 700-plus systems, runs the processes on top of them, and now builds governed AI agents through Merlin.

Retool
Automation
A drag-and-drop builder for internal tools that sits on top of your databases and APIs, with scheduled workflows, hosted Postgres and hourly-billed AI agents alongside it.

Pipedream
Automation
A developer-first automation platform where any step can be real Node, Python, Go or Bash, plus an SDK and hosted MCP servers that put 3,000 integrations inside your own product.

Parabola
Automation
A visual builder for messy files, where you drag steps to clean, join and reshape spreadsheets, PDFs and email attachments on a schedule.

Activepieces
Automation
An open-source automation platform where flows, AI agents and 759 app integrations run on your own server, and every connected app doubles as an MCP tool.

Ruler Analytics
Analytics
Marketing attribution with a call tracking core, matching phone calls, forms and live chats back to the campaign that created them and the revenue your CRM records against the deal.

PostHog
Analytics
An open-source product analytics platform where events, session replay, feature flags and a managed warehouse share one usage meter, with group analytics rolling product usage up to the company record that product-led sales runs on.

Porter Metrics
Analytics
A per-account connector that pipes Meta, Google and LinkedIn Ads, GA4, HubSpot and Shopify into Data Studio, Sheets, Power BI or BigQuery, with the blending already done upstream.

MadKudu
Analytics
Predictive fit and behavioural scoring for product-led teams, with a Data Studio that lets you open the model, read the splits and change the rules yourself.

Looker Studio
Analytics
Google's free dashboard builder, renamed Data Studio in April 2026, that connects to BigQuery, Sheets, Ads and Analytics and turns them into shareable reports and embeds.

Dub
Analytics
An open-source link platform that shortens URLs on your own domain, tracks every click in real time, follows that click through to a signup or a paid deal, and runs an affiliate program on the same data.

Databox
Analytics
A KPI dashboard that pulls HubSpot, GA4, ad platforms and your own database into one refreshing view, then sends the client report out on a schedule.

Cometly
Analytics
Ad attribution that follows a click from Meta, Google or LinkedIn through your site into Stripe and your CRM, then pushes the revenue back to the ad platforms.

CaliberMind
Analytics
B2B revenue attribution and GTM analytics for enterprise marketing ops, built on a BigQuery warehouse you can audit, with account scoring, buyer journeys and marketing mix modelling on top.

Topo
AI SDR
A French outbound platform where an AI agent builds signal-based lists and drafts the messages, and a rep approves every lead and every send before anything goes out.

Structurely
AI SDR
An AI assistant that texts, emails and calls your inbound leads, qualifies them against your script, books the meeting and transfers the hot ones to a rep.

SellScale
AI SDR
An outbound agent you brief in Slack the way you would brief a junior hire, planning the targeting, building the list, sending on email and LinkedIn, and stopping for your approval before every launch.

Rox
AI SDR
A standing AI agent for every account in a rep's book, reading the CRM, calls, calendar and email to hand back research, meeting briefs, deal risk and drafted follow-ups.

Regie.ai
AI SDR
An AI sales engagement platform where agents source, write, send and dial the long tail while reps keep the named accounts, pitched as a replacement for your whole prospecting stack.

Reachy
A desktop LinkedIn outreach agent that runs from your own machine and your own IP, sources leads from post reactions, groups and events, and costs $39 a month for one account or $179 for fifteen.

Poseidon
AI SDR
A LinkedIn and email outreach platform rebuilt around wealth advisors, with tracked content sharing, a Twilio-backed dialer and a compliance audit log.

Overloop
AI SDR
An AI SDR from the Prospect.io team that sources contacts from a 450 million record database, writes the email and the LinkedIn message, and runs both channels from one workspace.

Luna.ai
AI SDR
A Dutch AI SDR that suggested leads daily and wrote a personalized cold email for each one, sold by the lead rather than the seat, sunset in March 2025 and gone entirely once Zapier acquired the team that October.

Genesy
AI SDR
A Barcelona-built sales platform that turns a plain-language ICP into an enriched list and runs the email and LinkedIn campaign from the same workspace, with most of its processing inside the EU.

Conversica
AI SDR
An enterprise AI assistant that works your existing leads over email, SMS and chat until they reply, then hands the qualified ones to a rep.

Actively.ai
AI SDR
A reasoning layer over your CRM and call recordings that ranks the accounts and contacts each rep should work today, drafts the outreach, and leaves the sending to your own stack.

ZenABM
ABM
A cheap LinkedIn ads layer that scores the companies your ads reached, sorts them into ABM stages, and pushes the engaged ones into HubSpot, Salesforce or Clay.

Terminus
ABM
A multichannel ABM platform that ran account ads, chat, web personalization, email signature banners and attribution together, merged into DemandScience in November 2024 and no longer sold under the Terminus name.

RollWorks
ABM
Mid-market ABM built around a B2B ad engine, now sold as AdRoll ABM, with journey stages, three intent feeds and rep alerts inside the CRM.

Propensity
ABM
Contact-level ABM built for small B2B teams, with Bombora intent, editable 30 to 90 day playbooks and ads across LinkedIn, Google, CTV and its own display network from $2,000 a month.

Metadata
ABM
Automates B2B paid campaign operations across eight ad channels, building the audiences, running the experiments and optimising to pipeline instead of clicks, sold by quote to teams with real ad budget.

Influ2
ABM
Person-based advertising that runs ads at named individuals in a buying committee and reports which of them saw and clicked, sold by quote to enterprise ABM teams.

Reply.io
Sequences
An older multichannel sequencer that runs email, LinkedIn, calls, SMS and WhatsApp steps in one conditional cadence, with warmup, a Generect-powered contact database and the Jason AI SDR sold alongside it.

Browserbase
Scraping
Cloud browser infrastructure for developers and AI agents, running real Chromium sessions you drive with Playwright or Stagehand, billed by the browser hour with proxies and captcha solving on top.

Airtop
Scraping
A fleet of real cloud browsers an AI agent can drive, holding the session, the login, the proxy and the CAPTCHA so pages that block a plain request still hand back data.

lemcal
Scheduling
A scheduling tool from the lemlist team, with branded booking pages that pull in your LinkedIn profile and a link that stops your lemlist campaign the moment a prospect books.

Default
Scheduling
A single platform that takes an inbound form fill through enrichment, qualification, routing and booking, with every step logged and reversible in one click.

Twain
Personalization
A research agent that studies each prospect across the web, qualifies them against your personas, and writes the email, LinkedIn and call copy your sending tool then delivers, priced per lead instead of per seat.

Humanlinker
Personalization
Reads a prospect's LinkedIn profile for a DISC personality read, then builds the list, the enrichment, the sequence and the meeting brief around it.

Aimfox
Multi-account LinkedIn outreach from the cloud at $49 per connected account, with a shared inbox, campaigns that split one list across your senders, and rented profiles when you need more.

Vector
Intent
Contact-level website de-anonymization built for advertising, with named ad clickers, self-refreshing audiences across six ad platforms, and a pixel that fires only inside the United States.

Koala
Intent
Website visitor identification joined to in-app product usage, scored and pushed into Slack for product-led sales teams, and switched off for good on 30 September 2025 after Cursor acqui-hired the team.

Porkbun
Infrastructure
A cheap, flat-priced domain registrar with free WHOIS privacy and SSL, plus an API that can register and configure a fleet of sending domains from a script.

Infraforge
Infrastructure
Private cold email servers from the Forge family, with your own domains and mailboxes on isolated infrastructure, exclusive IP addresses sold at $99 a month each, and a ten-slot minimum to start.

Cargo
Enrichment
A warehouse-native GTM orchestration platform where plays, AI agents and data models are defined in TypeScript and deployed like infrastructure rather than clicked together.

Captain Data
Enrichment
A managed API that returns LinkedIn and Sales Navigator people and company records for a credit each, with no accounts, cookies or proxies for you to run.

trumpet
Docs
One shared link per deal holding the proposal, the recordings, the pricing and a mutual action plan, with tracking on every click and the activity pushed back into your CRM.

PandaDoc
Docs
Proposal, quote and e-signature software with templates, approval workflows, CRM sync and CPQ, sitting at the very end of the funnel where deals get signed.

Warmforge
Deliverability
Email warmup, inbox placement tests and mailbox health checks from the Salesforge family, free for one mailbox, unlimited if you subscribe to Salesforge, and $12 a mailbox a month if you do not.

InboxAlly
Deliverability
Seed inboxes that open, reply to and pull your email out of spam so providers relearn your domain, bundled with placement testing and monitoring, from $149 a month.

GlockApps
Deliverability
A deliverability suite that seed tests inbox placement, parses DMARC reports and watches blocklists and DNS records, bundled together from $59 a month.

Attention
Conversations
Conversation intelligence that goes past the transcript, filling CRM fields from what was said, scoring calls against MEDDIC or BANT, and drafting the follow-up for the rep.

Nooks
Calls
A parallel dialer wrapped in a virtual salesfloor, where a whole team dials together, managers listen in and whisper live, and AI scores every call afterwards.

Aircall
Calls
A cloud phone system that gives your team numbers in over 100 countries, routes calls through an IVR you configure yourself, and writes every call back to the right CRM record.

Whalesync
Automation
Two-way sync that keeps records mirrored between Airtable, Notion, Postgres, Webflow and your CRM, priced by how many records you keep in sync rather than by task.

Relevance AI
Automation
A no-code platform for building AI agents and multi-agent Workforces that research accounts, qualify leads and update the CRM, billed by the action and the model call.

Fibbler
Analytics
Company-level LinkedIn ads attribution that matches the companies exposed to your ads against the deals in your CRM, then pushes the engaged ones into Clay or Slack.

Valley
AI SDR
An AI SDR that watches LinkedIn for warm signals, researches each prospect across 200 or more sources, and sends the message from your own account.

Unify
AI SDR
Warm outbound sold as one system, with intent signals, website visitor reveal, enrichment, AI-written sequences and managed sending inside a single chat-driven platform.

Octave
Personalization
A GTM context layer where you model your ICP, personas, positioning and objections once, then let Clay, your sequencer and any AI agent read that same library at runtime over an API or MCP.

Autobound
Personalization
Writes personalised emails, sequences, LinkedIn messages and call scripts from 350-plus insight types, reachable through a Chrome extension, a campaign table or one API call.

Keyplay
ABM
An account scoring tool that models your best customers, ranks your market against more than 2,000 pre-wired signals, and syncs a tight target list into Salesforce or HubSpot.

Demandbase
ABM
One record per target company, wrapping identification, keyword level intent, a native B2B ad platform and orchestration, sold to enterprise buyers by quote.

OutboundSync
CRM
Pushes sends, replies, opens and unsubscribes from Instantly, Smartlead, HeyReach and 21 sales engagement platforms into HubSpot, Salesforce and four more CRMs as real activity on the right record, with an API, MCP server and webhooks on every plan.

Framer
Infrastructure
The design-first website builder, and the one nebor.ai is built on. In our builds it carries the forms, the visitor-ID script and the tracking, and its API lets a workflow write straight into the CMS.

Webflow
Infrastructure
The visual website builder with a real CMS. In our builds it's the site that carries the forms, the visitor-ID script and the tracking, so a visit becomes a company and a form fill becomes a CRM record.

Trustpilot
Intent
The open review platform where customers rate the whole company. In our review-site intent workflow it's the fourth scrape source, and the one that catches service and billing complaints about your rivals.

Capterra
Intent
The biggest software directory for smaller buyers, and one of the four review sites our intent workflow scrapes for fresh competitor complaints. Free to list, free to read, pay-per-click to be seen.

TrustRadius
Intent
The B2B review site with the longest, most detailed reviews. In our review-site intent workflow it's one of four sources of scraped competitor complaints, and its intent data names accounts reading your category.

Hightouch
Automation
Reverse ETL and a composable CDP that queries your data warehouse and writes audiences, fit scores and product usage into Salesforce, HubSpot, ad platforms and around three hundred other tools.

NeverBounce
Verification
A ZoomInfo-owned email verifier that prices per address from $0.008 down to $0.002 at volume, refunds the difference if a cleaned list bounces above 3 percent, and re-verifies your CRM on a daily schedule.

Scrubby
Verification
A second-layer verifier that takes the catch-all and risky addresses your main tool returned as unknown and forces a real answer, either in minutes or by test sending over 72 hours.

Salesforge
Sequences
A cold email and LinkedIn sequencer with unlimited mailboxes, a unified Primebox inbox, Warmforge warmup bundled in, and an optional AI SDR called Agent Frank at $499 a month.

EmailBison
Sequences
A private cold email sequencer built on your own dedicated IPs and ships fully white-labeled, built for agencies sending across many client workspaces.

MirrorProfiles
MirrorProfiles rents fictitious LinkedIn accounts that were warmed by hand for months, so a team can add senders and push outreach volume without putting employee profiles or a founder's own account at risk.

Calendly
Scheduling
The default meeting scheduler, with round robin, meeting polls, reminder workflows, routing forms that qualify a lead before it books, and a REST API behind a paid seat.

Amplemarket
Sequences
An all-in-one outbound platform that bundles a 300M-profile contact database, multichannel sequences, a dialer, deliverability tooling and the Duo AI agents behind a single login.

Surfe
Enrichment
A LinkedIn-to-CRM extension grown into a full enrichment platform, with a 15-provider waterfall for verified emails and mobiles and writing the result straight into HubSpot, Salesforce or Pipedrive.

Evaboot
Scraping
A Sales Navigator exporter that cleans the name and company fields, rechecks every lead against your original search filters, and tells you which ones failed and why.

UserGems
Intent
Job-change tracking for your past champions and buyers, wired into Salesforce or HubSpot, with AI agents that score the account and draft the outreach on top.

Premium Inboxes
Infrastructure
Done-for-you Google Workspace and Microsoft 365 mailboxes for cold email, with DNS configured by hand, profiles filled in, and the accounts uploaded straight into Smartlead or Instantly.

Wiza
Enrichment
A Sales Navigator export tool with a contact database bolted on, revealing verified work emails and mobiles for the profiles you tick and dropping the finished list into your CRM.

Prospeo
Enrichment
A B2B email and mobile finder wrapped around its own searchable database, charging one credit per verified email and nothing at all when the search comes back empty.

EmailGuard
Deliverability
Deliverability testing and monitoring for cold email operators: seeded inbox placement tests, spam scoring across 162 data points, blacklist and DMARC monitoring, and masking proxies for your sending domains.

TheirStack
Data
A job-posting data API that reads 231 million ads to work out which companies use which technology and who is hiring for what, delivered through the app, an API or Clay.

PredictLeads
Data
A company-signal data API covering job openings, news events, technologies, funding and company relationships, delivered through REST, webhooks, flat files or MCP rather than a user interface.

Fathom
Conversations
An AI notetaker whose free tier records and transcribes unlimited calls, while the advanced summaries, CRM depth and team features live on the paid plans above it.

Close
CRM
A sales CRM with the dialer, the SMS thread and email sequencing built into the lead record, aimed at small teams that create and close pipeline on the phone.

Airtable
Automation
A spreadsheet-style database with app screens, automations and an AI builder on top. General-purpose by design, so GTM data work needs another layer around it.

Orum
Calls
A parallel dialer that calls up to ten numbers at once, filters out voicemails and screeners, and bridges a rep onto the line in under half a second when a person picks up.

Harmonic
Data
The startup database tuned for freshness: early rounds, stealth companies and hiring jumps, often days ahead of the bigger indexes, with the founders already attached.

Dealroom
Data
The funding database with the strongest European coverage: rounds, investors and ecosystems, reachable by API and MCP. The feed we reach for when a market lives outside the US.

HockeyStack
Analytics
B2B revenue analytics that stitches ads, website, CRM and marketing automation into one account journey, then lets an AI analyst answer pipeline and spend questions from it.

Dreamdata
Analytics
B2B revenue attribution that stitches ads, site visits, CRM records and sales activity into account level journeys, then tells you which touches created pipeline.

Basecamp
Workflows
The calm team workspace: projects, to-dos, docs and chat with deliberately few knobs. Another home a workflow's library can land in, when this is where the team already lives.

ClickUp
Workflows
The workspace where tasks, docs and dashboards live together. It is the tool we manage Nebor's own client work in, and one of the team homes a workflow's library or playbook can land in.

Attio
CRM
A modern CRM built around a data model you define yourself, with real-time email and calendar sync, AI research agents, agent workflows and a strong developer API.

MailReach
Deliverability
Warmup and inbox placement monitoring for mailboxes you bought elsewhere, priced per mailbox at $19.50 a month, and not to be confused with Mailreef.

Expandi
Cloud LinkedIn automation with a dedicated IP per account, branching smart sequences and image or GIF personalisation, priced per seat from $79 a month.

Dropcontact
Enrichment
Algorithmic B2B email finder and verifier from France that keeps no contact database, cleans and deduplicates your CRM, and answers the question of where the data came from.

Warmly
Intent
Website visitor de-anonymization with the acting layer attached: Slack alerts, routing, AI chat and a TAM agent, priced from ten thousand dollars a year with no free tier.

Common Room
Intent
Person level signal capture across GitHub, community Slack, LinkedIn and your own product, merged into one enriched profile and pushed into your CRM as alerts and outbound.

6sense
ABM
Enterprise ABM and intent platform that scores accounts by predicted buying stage, priced by quote and built for teams with ops support.

Meta Ads
ABM
The advertising platform behind Facebook and Instagram. In a GTM stack it warms your exact target accounts with custom audiences built from your own lists, at a fraction of LinkedIn's cost, before any outreach lands.

Segment
Automation
The original customer data platform, where one API call fans out to more than 550 destinations and identity resolution stitches scattered events into a single profile per person or account.

Google Ads
Marketing
Google Ads buys intent across Search, YouTube, Gmail and the display network on an auction, with no licence fee, and every paid click doubles as a routable intent signal for your CRM.

Wellfound (AngelList)
Recruiting
Wellfound, formerly AngelList Talent, is the free startup job board where funded companies post roles first, which makes it a dated buying signal as well as a hiring channel.

Mailreef
Infrastructure
Cold email mailbox infrastructure: a dedicated mail server and IP with 150-plus pre-warmed mailboxes, one-click domains, automated DNS, and native Smartlead and Instantly integrations.

BetterEnrich
Enrichment
All-in-one GTM data layer: a 400M+ contact graph, waterfall enrichment across 20+ providers, an AI research agent, and CRM sync, billed only on verified hits.

Mailforge
Infrastructure
Bulk cold email infrastructure: buy domains, generate shared-IP mailboxes with DNS configured automatically, then plug them into whichever sequencer actually sends your campaigns.

Scripe
Content
AI workspace that turns voice notes, videos, and ideas into LinkedIn posts in your voice, with content strategy, scheduling, analytics, and team publishing built in.

Analyze
Analytics
AI search visibility analytics. Tracks how ChatGPT, Perplexity, and Gemini describe and recommend your brand, and whether those AI answers send you buyers.

Better Contact
Enrichment
A waterfall email and phone finder that pushes one lookup through 20-plus providers, returns the first verified match, and charges credits only for valid data.

Fireflies.ai
Conversations
An AI notetaker that sends a bot to join your calls, records and transcribes them, then writes summaries and pushes notes into your CRM.

Cal.com
Scheduling
Open-source scheduling and booking pages with round-robin, routing forms, an open API, and webhooks, so a meeting booking can trigger the rest of your GTM stack.

AI Ark
Data
An AI powered B2B data platform that builds ICP matched prospect lists from a claimed 70 million companies and 400 million profiles, with lookalike search and export time email verification.

Chili Piper
Scheduling
Real time inbound qualification, routing and booking that turns a form fill into a meeting on the right rep's calendar before the visitor leaves.

Slack
Workflows
Team messaging built on channels, apps and webhooks. In a GTM stack it is the human layer where automated work reaches a rep who has to act.

G2
Intent
Review marketplace with an intent product on top. It tells you which companies are comparing you to competitors, at the account level.

The professional network itself: the profile and company data behind most B2B prospecting, the channel outbound lands in, and the place buying signals show up first.

Notion
Workflows
Notion is a documentation and database workspace. In GTM stacks it works best as the surface automated briefs and playbooks get written into and read from.

La Growth Machine
Sequences
A multichannel sales automation tool that sends LinkedIn, email, and phone sequences from one visual builder, with native enrichment and a unified reply inbox.

A-Leads
Data
A real-time verified B2B contact database with triple-verified emails and mobiles, intent signals, job-change triggers, pay-for-valid-data billing, and unlimited credit rollover, starting around $60 a month.

AskElephant
Conversations
An AI revenue platform that records calls botlessly, then automates the follow-through: CRM updates, coaching scores, and sales-to-CS handoffs.

Scrapeli
Scraping
Scrapeli is a focused data-capture tool that scrapes your competitors' LinkedIn followers in real time, returning a targeted starting list for enrichment.

Salesforce
CRM
The enterprise CRM standard, deeply configurable and built to scale, the source of truth large GTM teams report into and feed clean data toward.

11x
AI SDR
An enterprise AI digital-worker platform whose AI SDR Alice prospects and handles outbound, with Julian handling voice qualification by phone.
Artisan
AI SDR
An all-in-one AI BDR where the agent Ava finds leads, enriches, writes, sends, and replies across email and social on a credit-based plan.

AiSDR
AI SDR
An AI SDR that researches, writes, sends, and replies across email and LinkedIn on its own, with a dedicated GTM engineer tuning each campaign.

Pipedrive
CRM
A pipeline-first sales CRM that keeps deal tracking visual and low-admin, a pragmatic fit for lean teams that want adoption over enterprise complexity.

HubSpot
CRM
A connected CRM platform unifying sales, marketing, and service on one record, the hub most GTM systems build around with strong adoption and a deep app ecosystem.
Folderly
Deliverability
An email deliverability platform that diagnoses spam placement, fixes the root causes, and warms mailboxes, going deeper than the warmup-only tools when outbound stops landing.

Zapmail
Infrastructure
Cold email infrastructure that provisions pre-configured Google and Microsoft mailboxes with DNS handled, so outbound can launch fast and scale without burning domains.

Gong
Conversations
A revenue intelligence platform that records and analyzes sales conversations, surfacing deal risk, coaching insights, and forecasts from what reps actually say.

Claude
AI
Anthropic's LLM family used across GTM for research, classification, and drafting, often used as an AI step inside Clay to turn data into action.

Definitive Healthcare
Data
A healthcare commercial intelligence platform mapping providers, claims, and affiliations so teams selling into healthcare target with real clinical and financial data.
StoreLeads
Data
An ecommerce store database that lets you filter millions of online stores by platform, app, and revenue to build targeted merchant lists.

Bombora
Intent
B2B intent data that flags which accounts are actively researching your category right now, so you prioritize timing over a flat list.

10times
Data
The largest B2B events database, used to find the shows your buyers attend and turn exhibitors, sponsors, and attendees into an event-timed prospect list.

Wappalyzer
Data
A technographic tool that detects website tech stacks and turns them into prospect lists, with bundled email verification and an API at a lighter entry price.

BuiltWith
Data
A technographic database that detects the tech stack behind any site, used to build target lists and enrich accounts by what tools a company already uses.

Crunchbase
Data
A company intelligence database centered on funding, hiring, and growth signals, used to prospect accounts on timing rather than a static, stale list.

LinkedIn Sales Navigator
Data
LinkedIn's premium prospecting tool with deep ICP filters, lead and account lists, job-change alerts, and InMail, built on the largest professional graph in B2B.

Discolike
Data
A B2B account-discovery tool that finds lookalike companies from across the open web using natural language or sample domains, with sharper matching for niche profiles.

Ocean.io
Data
A B2B account-discovery platform built around lookalike search that turns your best customers into a ranked target list, then enriches it with company and contact data.

Lusha
Enrichment
A lightweight B2B contact tool with a popular Chrome extension that reveals verified emails and phone numbers on a credit system, friendly to small teams and individual reps.

Cognism
Data
A B2B data platform with strong European coverage, phone-verified mobile numbers, intent signals, and compliance checks, built for outbound teams selling into the UK and EU.

ZoomInfo
Data
An enterprise B2B data platform with deep contact records, direct dials, intent signals, and CRM enrichment, built for larger sales orgs willing to commit to annual contracts.

ScaledMail
Infrastructure
ScaledMail is managed cold email infrastructure that builds and maintains warmed, authenticated inboxes across Google, Outlook, and SMTP for high-volume outbound.

Snitcher
Intent
Snitcher identifies the companies visiting your site, attaches intent and firmographics, and routes real-time alerts into GA4, Slack, and your CRM.

Leadinfo
Intent
Leadinfo identifies the companies visiting your site, scores their intent, and pushes alerts and CRM records, with strong coverage of European traffic.

Trigify
Intent
Trigify is a social listening engine that turns LinkedIn signals, posts, and engagement into a scored list of warm prospects to enrich and route.

Apify
Scraping
Apify is a serverless web scraping platform of ready-made Actors that capture data from any site, then feed it into your enrichment and routing stack.

PhantomBuster
Scraping
A cloud automation and scraping tool built from modular agents called Phantoms that extract and enrich data across sites like LinkedIn, metered by execution time, slots, and credits.
Salesloft
Sequences
An enterprise sales engagement platform for revenue teams: cadences, conversation intelligence, deal management, and AI forecasting on top of your CRM, sold per seat on annual contracts.

Outreach
Sequences
An enterprise sales engagement platform for rep teams: multichannel sequences, conversation intelligence, deal management, and forecasting on top of your CRM, sold per seat annually.

HeyReach
A cloud-based, multi-sender LinkedIn outreach platform for agencies and sales teams: rotate sends across many accounts, manage every reply in one inbox, and pay per connected sender.

Smartlead
A cold email sending platform with unlimited mailboxes, automatic inbox rotation, free warmup, and a master inbox for outbound at scale without burning domains.

ZeroBounce
Verification
An email verification and deliverability platform that validates lists and adds inbox placement testing, blacklist monitoring, and scoring around the core verifier.

DeBounce
Verification
A bulk email verification tool that flags invalid, risky, disposable, and role based addresses, with bulk lists, a real time API, and credits that never expire.

BounceBan
Verification
An email verification tool specialized in validating catch all and gateway protected addresses with claimed accuracy above 97 percent, via single, bulk, API, and CRM sync.

Snov.io
Sequences
An all in one outreach platform bundling a B2B database, email finder and verifier, cold email sequences, and a light CRM for smaller teams doing outbound.

LeadsFactory
Scraping
A contact discovery tool that scrapes LinkedIn Sales Navigator in real time to find decision makers at your target accounts using persona waterfall rules.

Findymail
Verification
A B2B email finder with built-in verification that returns low-bounce work emails, charging only for verified results, the clean send-ready layer before outbound.

LeadMagic
Enrichment
A credit-based B2B enrichment API for finding verified work emails and mobile numbers at a low cost per lookup, a strong waterfall source inside Clay.

FullEnrich
Enrichment
A waterfall enrichment platform that cascades one lookup through 15-plus providers to return verified emails and mobile numbers, charging only for successful hits.

Zapier
Automation
The most popular no-code automation tool, connecting 8,000-plus apps so a trigger in one sets off actions in others, the fast glue for simple GTM syncs.

Make
Automation
A visual no-code automation platform that connects apps and moves data through scenarios, the connective tissue wiring a GTM stack together without writing code.

RB2B
Intent
RB2B de-anonymizes US website visitors down to the named person and LinkedIn profile, pushing real-time alerts to Slack, Teams, and your CRM.

Instantly
A cold email sending platform with inbox rotation, warmup, and a built-in lead database for outbound at scale without burning domains.

n8n
Automation
A fair-code workflow automation platform that connects apps, hosts AI agents, and orchestrates the steps Clay and your CRM cannot reach on their own.

Lemlist
A multichannel sales engagement tool that combines email, LinkedIn, and calling sequences with deep personalization, deliverability warmup, and a built-in lead database for outbound teams.

Hunter
Verification
Email finding and verification tool that locates professional addresses from a name and domain, with a Chrome extension, API, and basic outreach.

Clearbit
Enrichment
Clearbit was a B2B enrichment and intent provider now folded into HubSpot as Breeze Intelligence, accessed only inside HubSpot CRM via credits.

Apollo
Data
All-in-one B2B platform pairing a 210M-contact database with prospecting filters, email and call sequences, a dialer, and CRM sync.

ChatGPT
AI
OpenAI's AI assistant that GTM teams use to research accounts, classify leads, and draft personalized outreach, including as an AI column inside Clay.

Clay
Enrichment
A go-to-market data platform that enriches and researches leads in a spreadsheet, chaining 150-plus data sources and AI agents into one workflow.

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