Find the Best Cold Outreach Tools for Your Sales Stack

Resend

A developer-first email API built around React templates

Email Outreach

Resend is a developer-focused email API for transactional and marketing mail, with React-based templates, webhooks, and usage-based pricing.

Replyify

A no-frills cold email sequencer that sends from your own inbox

Email Outreach

Replyify is a lightweight cold email sequencer that sends drip campaigns from your own Gmail, Office 365, or SMTP inbox, starting free for 25 contacts.

AI Ark

AI-built prospect lists with fresh, verified emails

AI SDRs

+2 more

AI Ark builds targeted outbound lists using AI, pairing verified email data refreshed monthly with look-alike audience discovery and lead scoring support.

ActiveCampaign

Marketing automation for opted-in audiences across email, SMS, and WhatsApp

Email Outreach

ActiveCampaign is marketing automation for opted-in email, SMS, and WhatsApp, with AI journeys, 950+ integrations, and pricing that scales with list size.

BuzzBoard

AI sales intelligence built for agencies selling to SMBs at scale

Account ResearchIntent & Signals

BuzzBoard is an AI sales intelligence platform that helps marketing agencies find, pitch, and retain small-business clients across thousands of accounts.

ShortlyAI

One place to write and create with many leading AI models

Copywriting & Personalization

ShortlyAI is an AI writing tool offering access to multiple AI models for marketing copy, creative writing, blogging, education, and everyday content.

Atlas

Automate recruiting admin and scale candidate outreach

Sales Workflow

Atlas is an AI recruiting CRM that automates admin, runs multi-channel outreach campaigns, and gives agencies real-time pipeline and revenue dashboards.

C3 Metrics

Independent, cookie-less attribution for the biggest ad budgets

Intent & Signals

C3 Metrics is an enterprise marketing measurement platform combining multi-touch attribution, marketing mix modeling, and incrementality testing.

ShopRank

Find and segment e-commerce stores worth selling to

Lead Databases

ShopRank is an e-commerce lead database with store technology stacks, verified contacts, advanced segmentation, exports, API access, and market reports.

Reoon

Pay-as-you-go email list cleaning for cold outreach senders

Email Verification

Reoon Email Verifier checks list validity with SMTP-level testing and credit-based pricing, plus a free 600-verification monthly tier for small senders.

SignalHire

Verified emails and phone numbers found in real time

Email Finders

SignalHire finds verified emails and phone numbers in real time, with bulk search, a free extension that works on any website, and recruiting features.

CallRoot

Call tracking that traces phone leads back to the ad that won them

Cold Calling

CallRoot is call-tracking software for marketers and agencies, using dynamic number insertion to attribute phone calls to campaigns and keywords.

Show

Video hosting and email automation in a single engagement platform

Email OutreachVideo & Voice Prospecting

Show by Animaker pairs ad-free video hosting and interactive video with AI-assisted email campaigns, lead capture, and viewer-level engagement analytics.

Signum

Track every competitor move and turn it into strategy

Copywriting & PersonalizationIntent & Signals

Signum is a competitive intelligence platform that auto-tracks competitors' content, ads, positioning, and AI search visibility with real-time insights.

CaliberMind

B2B attribution and GTM intelligence from unified data

Email VerificationVisitor Identification

CaliberMind is a B2B GTM intelligence platform unifying marketing and sales data for multi-touch attribution and account insight.

Sixtyfour.ai

AI agents that research people and companies at scale

List Building

Sixtyfour.ai lets teams build and deploy AI research agents for custom people and company data, talent discovery, enrichment, and market mapping.

SmallWorld

Turn trusted relationships into warm introductions at scale

Intent & Signals

SmallWorld is a relationship intelligence platform that surfaces warm introduction paths to key prospects, integrating with CRM and Slack workflows.

Canva

Browser-based design for people who aren't designers

Copywriting & Personalization

Canva is a browser-based design platform with templates, AI tools, and team collaboration for social posts, presentations, video, and print.

SmartReach

Multichannel sequencing priced by prospects, not per seat

Email Outreach

+2 more

SmartReach is a multichannel sales engagement platform covering cold email, LinkedIn, calling, and WhatsApp, priced by prospect volume rather than seats.

CampaignKit

Credit-based email list cleaning with SMTP-level checks

Email Verification

CampaignKit verifies email lists via syntax, domain, and SMTP-level inbox checks, sold in one-time credit packs from $6 with no subscription required.

SMTP2GO

A transactional SMTP relay built for deliverability, not cold outreach

Email Tracking

SMTP2GO is a transactional SMTP relay and email API with global data centers, automatic SPF and DKIM setup, spam testing, and delivery reporting.

Cargo

GTM infrastructure for building AI agents and workflows as code

Data EnrichmentSales Workflow

Cargo is a GTM orchestration platform where technical revenue teams assemble data models, always-on workflows, and AI agents for scoring and outreach.

Sniff

Spot buying conversations on social media as they happen

Visitor Identification

Sniff is a social listening tool that surfaces real-time conversations and opportunities, helping teams track audiences, monitor competitors, and act fast.

SourceStack

Custom job data feeds pulled from hundreds of ATS sources

Lead Databases

SourceStack delivers custom job posting datafeeds from roughly 400 ATS sources, with flexible filters, one-click downloads, and multiple export formats.

CB Insights

Predictive intelligence on private companies and markets

Data Enrichment

CB Insights is an enterprise market intelligence platform tracking 12M+ private companies with predictive scoring, AI search, and CRM integrations.

Census

The reverse-ETL platform now living inside Fivetran

Data Enrichment

Census, a reverse-ETL data activation platform, was acquired by Fivetran and now operates only as Fivetran's Activations product, not a standalone tool.

StartupRadar

Track Europe's startup ecosystem through one clean API

Data Enrichment

StartupRadar tracks startups across Europe and delivers the data through a REST API, with CRM enrichment, ecosystem monitoring, and real-time notifications.

Charm.io

Ecommerce brand intelligence for outbound teams, agencies, and investors

Account Research

Charm.io tracks fast-growing DTC and TikTok Shop brands with sales estimates, contact data, and CRM delivery for agencies, investors, and retailers.

Spotler

A European marketing cloud sold module by module

Email Outreach

Spotler is a European marketing automation suite covering email campaigns, CRM, a customer data platform, chat, events, and transactional sending.

Champify

Warm pipeline from the people who already bought from you

Intent & Signals

Champify flags job changes among past customers and champions inside Salesforce, turning old relationships into new pipeline for enterprise revenue teams.

Store Leads

The ecommerce store database for prospecting and enrichment

Account Research

+2 more

Store Leads is a database of ecommerce stores with weekly-updated attributes, technographics, and contacts, built for lead generation and market research.

Strada

Conversational AI phone agents for insurance workflows

Sales Workflow

Strada provides AI voice agents for insurance, handling inbound and outbound calls, scheduling, live transfers, and post-call CRM automation around the clock.

Chatsheet

Ask your GTM stack a question instead of building a pipeline for it

Data Enrichment

Chatsheet connects LinkedIn, your CRM, and other sources so you can request sourcing or research in plain language and turn repeat asks into automations.

Structurely

AI voice and SMS agents that qualify inbound leads and book appointments

Sales Engagement

Structurely runs AI calling and texting agents that qualify inbound leads, book appointments, and live-transfer hot prospects to your sales reps.

Prospect

Verified emails and mobile numbers that fill calendars

Lead DatabasesLinkedIn Outreach

Prospect is a B2B contact data platform with real-time verified emails, telecom-verified mobile numbers, job change alerts, and CRM integrations.

Resend

A developer-first email API built around React templates

Email Outreach

Resend is a developer-focused email API for transactional and marketing mail, with React-based templates, webhooks, and usage-based pricing.

Replyify

A no-frills cold email sequencer that sends from your own inbox

Email Outreach

Replyify is a lightweight cold email sequencer that sends drip campaigns from your own Gmail, Office 365, or SMTP inbox, starting free for 25 contacts.

AI Ark

AI-built prospect lists with fresh, verified emails

AI SDRs

+2 more

AI Ark builds targeted outbound lists using AI, pairing verified email data refreshed monthly with look-alike audience discovery and lead scoring support.

ActiveCampaign

Marketing automation for opted-in audiences across email, SMS, and WhatsApp

Email Outreach

ActiveCampaign is marketing automation for opted-in email, SMS, and WhatsApp, with AI journeys, 950+ integrations, and pricing that scales with list size.

BuzzBoard

AI sales intelligence built for agencies selling to SMBs at scale

Account ResearchIntent & Signals

BuzzBoard is an AI sales intelligence platform that helps marketing agencies find, pitch, and retain small-business clients across thousands of accounts.

ShortlyAI

One place to write and create with many leading AI models

Copywriting & Personalization

ShortlyAI is an AI writing tool offering access to multiple AI models for marketing copy, creative writing, blogging, education, and everyday content.

Atlas

Automate recruiting admin and scale candidate outreach

Sales Workflow

Atlas is an AI recruiting CRM that automates admin, runs multi-channel outreach campaigns, and gives agencies real-time pipeline and revenue dashboards.

C3 Metrics

Independent, cookie-less attribution for the biggest ad budgets

Intent & Signals

C3 Metrics is an enterprise marketing measurement platform combining multi-touch attribution, marketing mix modeling, and incrementality testing.

ShopRank

Find and segment e-commerce stores worth selling to

Lead Databases

ShopRank is an e-commerce lead database with store technology stacks, verified contacts, advanced segmentation, exports, API access, and market reports.

Reoon

Pay-as-you-go email list cleaning for cold outreach senders

Email Verification

Reoon Email Verifier checks list validity with SMTP-level testing and credit-based pricing, plus a free 600-verification monthly tier for small senders.

SignalHire

Verified emails and phone numbers found in real time

Email Finders

SignalHire finds verified emails and phone numbers in real time, with bulk search, a free extension that works on any website, and recruiting features.

CallRoot

Call tracking that traces phone leads back to the ad that won them

Cold Calling

CallRoot is call-tracking software for marketers and agencies, using dynamic number insertion to attribute phone calls to campaigns and keywords.

Show

Video hosting and email automation in a single engagement platform

Email OutreachVideo & Voice Prospecting

Show by Animaker pairs ad-free video hosting and interactive video with AI-assisted email campaigns, lead capture, and viewer-level engagement analytics.

Signum

Track every competitor move and turn it into strategy

Copywriting & PersonalizationIntent & Signals

Signum is a competitive intelligence platform that auto-tracks competitors' content, ads, positioning, and AI search visibility with real-time insights.

CaliberMind

B2B attribution and GTM intelligence from unified data

Email VerificationVisitor Identification

CaliberMind is a B2B GTM intelligence platform unifying marketing and sales data for multi-touch attribution and account insight.

Sixtyfour.ai

AI agents that research people and companies at scale

List Building

Sixtyfour.ai lets teams build and deploy AI research agents for custom people and company data, talent discovery, enrichment, and market mapping.

SmallWorld

Turn trusted relationships into warm introductions at scale

Intent & Signals

SmallWorld is a relationship intelligence platform that surfaces warm introduction paths to key prospects, integrating with CRM and Slack workflows.

Canva

Browser-based design for people who aren't designers

Copywriting & Personalization

Canva is a browser-based design platform with templates, AI tools, and team collaboration for social posts, presentations, video, and print.

SmartReach

Multichannel sequencing priced by prospects, not per seat

Email Outreach

+2 more

SmartReach is a multichannel sales engagement platform covering cold email, LinkedIn, calling, and WhatsApp, priced by prospect volume rather than seats.

CampaignKit

Credit-based email list cleaning with SMTP-level checks

Email Verification

CampaignKit verifies email lists via syntax, domain, and SMTP-level inbox checks, sold in one-time credit packs from $6 with no subscription required.

SMTP2GO

A transactional SMTP relay built for deliverability, not cold outreach

Email Tracking

SMTP2GO is a transactional SMTP relay and email API with global data centers, automatic SPF and DKIM setup, spam testing, and delivery reporting.

Cargo

GTM infrastructure for building AI agents and workflows as code

Data EnrichmentSales Workflow

Cargo is a GTM orchestration platform where technical revenue teams assemble data models, always-on workflows, and AI agents for scoring and outreach.

Sniff

Spot buying conversations on social media as they happen

Visitor Identification

Sniff is a social listening tool that surfaces real-time conversations and opportunities, helping teams track audiences, monitor competitors, and act fast.

SourceStack

Custom job data feeds pulled from hundreds of ATS sources

Lead Databases

SourceStack delivers custom job posting datafeeds from roughly 400 ATS sources, with flexible filters, one-click downloads, and multiple export formats.

CB Insights

Predictive intelligence on private companies and markets

Data Enrichment

CB Insights is an enterprise market intelligence platform tracking 12M+ private companies with predictive scoring, AI search, and CRM integrations.

Census

The reverse-ETL platform now living inside Fivetran

Data Enrichment

Census, a reverse-ETL data activation platform, was acquired by Fivetran and now operates only as Fivetran's Activations product, not a standalone tool.

StartupRadar

Track Europe's startup ecosystem through one clean API

Data Enrichment

StartupRadar tracks startups across Europe and delivers the data through a REST API, with CRM enrichment, ecosystem monitoring, and real-time notifications.

Charm.io

Ecommerce brand intelligence for outbound teams, agencies, and investors

Account Research

Charm.io tracks fast-growing DTC and TikTok Shop brands with sales estimates, contact data, and CRM delivery for agencies, investors, and retailers.

Spotler

A European marketing cloud sold module by module

Email Outreach

Spotler is a European marketing automation suite covering email campaigns, CRM, a customer data platform, chat, events, and transactional sending.

Champify

Warm pipeline from the people who already bought from you

Intent & Signals

Champify flags job changes among past customers and champions inside Salesforce, turning old relationships into new pipeline for enterprise revenue teams.

Store Leads

The ecommerce store database for prospecting and enrichment

Account Research

+2 more

Store Leads is a database of ecommerce stores with weekly-updated attributes, technographics, and contacts, built for lead generation and market research.

Strada

Conversational AI phone agents for insurance workflows

Sales Workflow

Strada provides AI voice agents for insurance, handling inbound and outbound calls, scheduling, live transfers, and post-call CRM automation around the clock.

Chatsheet

Ask your GTM stack a question instead of building a pipeline for it

Data Enrichment

Chatsheet connects LinkedIn, your CRM, and other sources so you can request sourcing or research in plain language and turn repeat asks into automations.

Structurely

AI voice and SMS agents that qualify inbound leads and book appointments

Sales Engagement

Structurely runs AI calling and texting agents that qualify inbound leads, book appointments, and live-transfer hot prospects to your sales reps.

Prospect

Verified emails and mobile numbers that fill calendars

Lead DatabasesLinkedIn Outreach

Prospect is a B2B contact data platform with real-time verified emails, telecom-verified mobile numbers, job change alerts, and CRM integrations.

Find the Best Cold Outreach Tools for Your Sales Stack

A curated directory of 1,000+ cold email, sales automation, and lead generation tools. Compare features, pricing, and alternatives to build your outbound stack.