Clay is a go-to-market (GTM) data and automation platform that helps sales, marketing, and revenue operations teams find, enrich, and act on prospect and account data. It combines a spreadsheet-like table interface with access to over 150 data providers through waterfall enrichment, so a workflow automatically tries multiple sources until it finds a match for an email, phone number, or company detail.

Clay's built-in AI research agent, Claygent, runs natural-language web research to pull facts that structured databases miss, such as recent news or job postings. Teams use Clay to build outbound prospecting lists, enrich and sync CRM records, track job-change and intent signals, and push audiences to ad platforms like LinkedIn, Meta, and Google. Customers include Anthropic, OpenAI, Intercom, Rippling, and Figma.

Adapt.io is a B2B lead intelligence platform that helps sales and marketing teams find and connect with decision makers. It provides a searchable database of over 150 million contacts and 30 million companies, with advanced filters for job title, department, seniority, industry, company size, and location. Users can build prospect lists, verify email addresses, and access direct dial phone numbers, then export data into their CRM or download as CSV.

The platform includes a Chrome extension called Adapt Prospector that surfaces verified contact details while browsing LinkedIn or company websites. Additional tools cover data enrichment with 50+ attributes, job change alerts, company growth signals, and suppression lists for account based marketing. Adapt.io is developed by SLI Technologies and offers a 7 day free trial alongside paid plans billed monthly or annually.

D&B Hoovers is a B2B sales intelligence and prospecting platform built by Dun & Bradstreet on its Data Cloud, a commercial database built over more than 180 years. It gives sales and marketing teams access to profiles for over 330 million companies and 500 million contacts, including more than 190 million decision makers and tens of millions of verified emails and direct-dial numbers, so reps can build targeted prospect lists instead of starting from scratch.

The platform adds advanced filters, Conceptual Search, and Website Content Search for prospects lacking a clean industry code, plus SmartLists that refresh automatically and flag trigger events like funding rounds or leadership changes. SmartSearch AI and SmartMail AI use generative AI to build lists and draft outreach, while Bombora-powered intent data highlights accounts already researching relevant topics. Connectors sync records into Salesforce, Microsoft Dynamics, and HubSpot.

LeadIQ is a B2B sales prospecting platform that helps revenue teams find verified work emails and mobile phone numbers, track buying signals, and sync contact data directly into their CRM and sales engagement tools. Its Chrome extension, called Prospector, captures contact details from LinkedIn, Sales Navigator, and company websites in one click, drawing on a database of more than 750 million professional profiles refreshed monthly.

Beyond data capture, LeadIQ offers Champion Tracking to alert reps when past customers change jobs, an AI writing tool called Scribe for personalized outreach messages, and an AI agent called Lando for account research. LeadIQ integrates with Salesforce, HubSpot, Outreach, Salesloft, and Gong, and is sold on Free, Pro, and Enterprise plans billed through a shared credit system.

Kaspr is a B2B contact data and prospecting platform built around a LinkedIn Chrome extension that reveals verified phone numbers, email addresses, and company details directly on LinkedIn and Sales Navigator profiles. Backed by a database of more than 500 million profiles verified in real time from over 150 sources, it helps sales teams, recruiters, and founders build accurate lead lists without manual research. Users can enrich contacts individually or in bulk, manage leads in a web dashboard, and export data to their CRM.

Founded in Paris, Kaspr was acquired by sales intelligence company Cognism in 2022 but continues to operate and sell as a standalone product. It offers native integrations with HubSpot, Salesforce, Pipedrive, Zoho, and dialers like Aircall, plus an API for custom workflows, and is GDPR and CCPA aligned.

Seamless.AI is a B2B sales intelligence platform that helps sales teams find verified contact information for prospects. It provides a real-time search engine covering more than 1.8 billion business emails and 414 million phone numbers, plus tools for buyer intent data, job change alerts, and CRM data enrichment. The platform includes Connect, a built-in hub for emailing, calling, and task management, and an AI Assistant that generates pitch talking points and sales copy.

Seamless.AI offers a free plan with 50 lifetime credits and no credit card required; each credit unlocks one contact's email and phone number. Pro and Enterprise plans use annual credit packages with pricing set on request rather than published rates, and Pro accounts start with 10,000 annual credits. The company is based in Columbus, Ohio, and integrates with Salesforce, HubSpot, Outreach, and thousands of other sales tools.

Seismic Content is the content management and marketing orchestration capability inside the Seismic Enablement Cloud. It began as Percolate, a content marketing platform founded in 2011 that Seismic acquired in November 2019. Today it helps marketing and sales teams organize, govern, and personalize content, with AI-powered search, version control, and brand compliance built in.

Teams use Seismic Content to centralize assets, apply role-based permissions and audit trails, and deliver on-brand materials through tools such as LiveDocs for personalization and LiveSend for sharing. It connects to CRM, CMS, and DAM systems including Salesforce, Microsoft 365, and Adobe, and includes analytics that tie content usage to pipeline and revenue outcomes.

Snov.io is a sales engagement platform that helps businesses find leads, verify and enrich contact data, and run outreach campaigns across email and LinkedIn. Core tools include an email finder and verifier, a B2B contacts database, email warm up, automated drip campaigns, and a built in sales CRM. Sales teams, marketers, and recruiters use it to build prospect lists and automate multichannel outreach at scale.

Founded in 2017 and operated by Snovio Inc., headquartered in New York, Snov.io serves millions of users and hundreds of thousands of companies worldwide. It offers a free plan plus paid tiers priced by monthly credits and contacted recipients, along with an API, webhooks, and integrations with tools such as HubSpot, Pipedrive, Salesforce, and Zapier.

Overloop is an AI-powered sales prospecting and cold outreach platform built for B2B sales and marketing teams. Formerly known as Prospect.io, it helps users find decision-makers in a database of over 450 million contacts, verify email addresses, and automatically draft personalized cold emails using AI that reads each prospect's website and social profiles. Campaigns can combine email and LinkedIn outreach in a single sequence, with automatic follow-ups and a unified inbox for replies.

The platform also includes a Chrome extension for pulling leads from LinkedIn and Sales Navigator, email warmup tools to protect deliverability, visual workflow automation, and campaign analytics covering opens, clicks, replies, and bounces. Overloop is sold on per-seat monthly pricing across Starter, Growth, and Enterprise plans, each with a monthly credit allowance, and integrates with Salesforce, HubSpot, Pipedrive, Slack, and Zapier.

Lead411 is a B2B sales intelligence platform that gives sales and marketing teams access to a database of over 450 million verified contacts and more than 30 million company profiles. It provides direct dial phone numbers, verified email addresses, and firmographic data, along with growth intent signals such as hiring trends, executive changes, and funding activity to help users find companies that are actively in a buying cycle.

The platform combines machine learning with human verification to keep contact data accurate, and includes a Chrome extension, an AI search assistant, and Bombora powered intent data on select plans. Lead411 integrates with CRM and sales engagement tools including Salesforce, HubSpot, Pipedrive, and Outreach, and offers an API for custom data enrichment.