Best Free Sales Intelligence Tools in 2026

Apollo.io is a sales intelligence and engagement platform with a database of 275M+ contacts. Find leads, enrich data, automate outreach sequences, and track engagement-all in one platform with AI-powered insights and CRM integrations.

Seamless.AI is an AI-powered sales platform designed to help sales professionals, marketers, and recruiters find, connect with, and close more deals. It provides a real-time search engine for B2B sales leads, offering access to over 1.8 billion verified business emails and 414 million phone numbers globally. The platform allows users to build targeted lists of contacts and companies, enrich existing data, and track job changes to maintain up-to-date information. The product suite includes features like Prospector for discovering ideal contacts with detailed profiles, Buyer Intent to identify ready-to-buy leads, Data Enrichment to automatically update CRM records, and an AI Assistant for generating sales copy. Seamless.AI integrates with popular CRMs and sales tools like Salesforce, HubSpot, Salesloft, and Outreach, streamlining workflows and improving sales productivity. It aims to eliminate manual prospecting and data decay, enabling users to focus on engaging with prospects and closing sales.

Avoma is an AI meeting intelligence platform for revenue teams. It provides meeting recording, transcription, notes, and conversation intelligence to help sales and customer success teams improve performance.

UpLead is a B2B database and sales intelligence platform designed to help sales and marketing teams find accurate contact and company data. It provides access to over 180 million leads, which are verified in real-time using a combination of AI validation and human quality assurance, ensuring a 95%+ data accuracy guarantee. The platform focuses on delivering clean, reliable data to prevent bounces and wasted prospecting efforts. Users can leverage over 50 search filters to identify ideal prospects based on various criteria, including technographics and buyer intent data. UpLead offers features like mobile direct dials, real-time email verification, and CRM integrations to streamline the sales process. It's ideal for B2B companies, sales teams, and marketers looking to build high-quality prospecting lists, enrich their CRM data, and accelerate lead generation and conversion.

Lusha is a B2B sales intelligence platform trusted by millions of users, providing accurate contact and company data to accelerate revenue generation. The platform offers hundreds of millions of verified business contacts with emails, direct phone numbers, and company context. Key features include a Chrome extension for capturing leads from LinkedIn, real-time buying signals (job changes, funding, hiring), CRM auto-enrichment, AI-powered lead recommendations, and automated prospecting workflows. Lusha also provides email automation, call recording with AI analysis, and API access. The platform ensures compliance with data privacy standards. Users report significant increases in outbound leads and deals.

LeadIQ is a B2B prospecting platform that helps sales teams find contact information, track job changes, and personalize outreach. Integrates with major CRMs and sales tools.

Snov.io finds and verifies email addresses for outreach. Email finding with outreach automation-prospecting to sending in one tool. The finding is automated. The verification helps deliverability. The outreach is integrated. Sales teams prospecting for email contacts use Snov.io for email discovery and outreach.

Adapt.io is a B2B lead intelligence platform designed to redefine prospecting by providing accurate and verified contact and company data. It helps sales and marketing teams identify high-growth companies, discover key decision-makers, and build targeted lists with precision. The platform offers extensive data attributes, including firmographic, demographic, and technographic information, enabling users to personalize outreach and improve conversion rates. Primarily, Adapt.io serves sales representatives, account executives, and sales leadership by streamlining prospecting, enriching CRM data, and providing one-click integrations with outreach tools. For marketers, it empowers demand generation strategies, improves email campaign effectiveness, and facilitates hyper-targeted audience segmentation. The platform's core value lies in its ability to deliver high-quality, real-time verified data, ensuring sales and marketing efforts reach the right people with confidence. Adapt.io aims to help businesses scale their sales and marketing engines by providing a robust data foundation. It enables users to build pipelines that convert, increase email success rates, and boost overall prospecting productivity, ultimately leading to increased revenue.

Lead411 is an all-in-one B2B lead intelligence platform designed to help sales teams, marketers, and business development professionals identify, connect with, and close more deals faster. It provides access to millions of verified B2B contacts, including direct dials and email addresses, alongside powerful sales intelligence features. The platform offers real-time growth intent data, sales intelligence alerts for key company events like hiring and funding, and advanced search filters to pinpoint hyper-targeted prospects. Lead411 aims to streamline prospecting, enhance CRM data, and automate outreach efforts through seamless integrations, ultimately accelerating revenue growth and shortening sales cycles.

Dealfront is a comprehensive platform designed to help sales and marketing teams identify, prioritize, and activate high-quality leads to drive predictable revenue growth. It provides access to a global database of companies and contacts, combined with advanced AI and intent signals, to ensure teams focus their efforts on accounts most likely to convert. The platform enables users to find ideal customers quickly using over 100 filters, monitor real-time buying signals, and receive alerts when target accounts engage with key content. Dealfront integrates AI to streamline lead qualification, provide instant company insights, and identify key decision-makers, significantly reducing research time. It's built for sales and marketing professionals seeking to optimize their pipeline, improve conversion rates, and achieve their revenue goals through data-driven insights and automated workflows.

Leadfeeder is a B2B lead generation software that identifies the companies visiting your website, turning anonymous traffic into real company names. It helps sales and marketing teams uncover hidden leads by revealing the exact behavior of website visitors, even if employees work remotely. Users can qualify high-potential leads using custom segmentation and over 50 behavioral and firmographic filters, automatically scoring visitors based on their web activity. The platform also assists in connecting with decision-makers by providing a robust global database to search for contacts based on job role, seniority, or location, and allows exporting of email addresses, phone numbers, and LinkedIn profiles. Leadfeeder integrates with major CRM and marketing automation tools like Pipedrive, HubSpot, Salesforce, Slack, Google Ads, and Microsoft Dynamics, enabling automatic syncing of visit data and creation of powerful reports. It aims to help businesses find ready-to-buy sales leads, beat competitors to sales, build better sales pitches, measure campaign effectiveness, and optimize marketing content.

Kaspr provides instant access to verified B2B contact data, including phone numbers and email addresses, for over 500 million profiles. It operates primarily through a LinkedIn Chrome Extension, allowing users to extract contact information directly from prospect profiles with a single click. This tool is designed to help sales teams, recruiters, and founders streamline their prospecting efforts, increase outreach efficiency, and ultimately grow their pipeline and close more deals. Beyond data extraction, Kaspr offers an all-in-one prospecting dashboard to manage leads, set up automations, and maintain organization. The data is real-time verified from over 150 sources, ensuring accuracy and compliance, particularly with GDPR. Kaspr aims to reduce the time spent on manual data gathering, enabling users to focus more on building relationships and engaging with prospects.

Snitcher is a website visitor identification platform designed to help revenue teams uncover the companies visiting their websites. It identifies anonymous traffic in real-time, providing insights into which companies are interested in your offerings and why. This allows sales teams to focus on high-intent accounts and marketing teams to personalize messaging and optimize campaigns. The platform enriches visitor sessions with actionable data, enabling users to track engagement across key pages and prioritize leads based on activity and intent. Snitcher also facilitates the automation of lead handoff and outreach by integrating with existing sales and marketing tools, allowing for personalized email campaigns, ad retargeting, and instant sales notifications for high-value accounts. Beyond its direct application for sales and marketing, Snitcher offers an API for real-time IP to company data. This allows businesses to power their own platforms, personalize experiences at scale, and build custom features with intent data, providing a cost-effective alternative to traditional intent data providers.

RB2B is a website visitor identification tool that helps businesses uncover the identities of people and companies visiting their websites. By installing a simple pixel, users can identify 70-80% of their web traffic, receiving names, LinkedIn profiles, and email addresses of real people. This information is then pushed to various integrations like Slack, Teams, and CRMs, enabling sales and marketing teams to act on high-intent signals. The platform allows users to filter and route "Hot Leads" based on criteria such as company revenue, size, seniority, department, category, and geography. This enables targeted outreach and personalized engagement. RB2B is designed for sales, marketing, and growth teams looking to optimize their website traffic, build reliable pipeline, and improve conversion rates by connecting with prospects at the right time.

Leadinfo is a B2B lead generation software that identifies the companies visiting your website, even if they don't fill out a form. It transforms anonymous website traffic into actionable sales leads by revealing company names, contact details of key decision-makers, and insights into their browsing behavior. This allows sales teams to proactively reach out to interested prospects at the right time. The platform is designed for sales and marketing professionals in B2B companies looking to grow their sales funnel, improve lead quality, and optimize their outreach efforts. By integrating with over 70 popular CRM, communication, and marketing tools, Leadinfo streamlines workflows and enables multi-channel outreach campaigns. It leverages AI to filter out irrelevant traffic and provides data from an extensive international database of companies across 195 countries.