Best Free Sales Intelligence Tools in 2026

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.

Hunter finds email addresses for outreach. Search by domain, verify addresses, and build contact lists—the email finder sales teams use. The data accuracy is good. Chrome extension works on LinkedIn. The API enables automation. Sales teams doing outreach use Hunter to find and verify email addresses.

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.

Attio is a flexible CRM that adapts to how your business actually works. Customizable data model goes beyond standard CRM fields. Real-time collaboration with multiplayer editing. Automatic enrichment and activity sync. Beautiful interface that teams enjoy using. The CRM for companies who've outgrown simple tools but don't want enterprise complexity.

Lusha is a B2B sales intelligence platform trusted by 1.5 million users, providing accurate contact and company data to accelerate revenue generation. The platform offers 300+ million 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 GDPR, CCPA, and SOC 2 standards. Users report 3X more outbound leads and 25% more deals.

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.

Bright Data MCP is a Model Context Protocol server that gives AI agents real-time access to public web data through Bright Data's proxy and scraping infrastructure. It wraps Web Unlocker, Crawl API, Browser API, and SERP API behind a single JSON-RPC endpoint, so your AI agent can fetch web pages, search engines, and structured data without dealing with anti-bot measures, CAPTCHAs, or IP blocking. The server publishes over 50 ready-made tools organized by domain: search engine queries, generic URL scraping as markdown, and site-specific scrapers for e-commerce, social media, news, real estate, finance, and LinkedIn. Requests flow through a pool of 150 million or more rotating residential IPs spanning 195 countries, with a purpose-built Scraping Browser that renders JavaScript so agents see the fully loaded DOM. Browser automation uses ARIA snapshots and ref-based element targeting for reliable, maintenance-friendly scripts. Bright Data offers a free tier of 5,000 requests per month covering search results and "scrape as markdown" tools — no credit card required. The full tool surface (60 plus specialized scrapers) uses Bright Data's Web Scraper API with usage-based pricing. The server integrates with Claude Desktop, Cursor, and VS Code through one-click setup, and supports country-targeted requests for geo-specific content. It is open source on GitHub and actively maintained with regular releases.

Seefy is an AI-powered event intelligence platform designed to drive real-world revenue pipeline for B2B companies in industries where deals happen in person. The platform tracks the global business and professional event universe, automating tailored event discovery, evaluation, and pre-event capture of target accounts and leads so teams can focus on events that generate actual revenue. For industries like cybersecurity, compliance, manufacturing, logistics, healthcare, and finance where buyers are often not active on LinkedIn and resistant to cold email outreach, Seefy recognizes that the deal still happens in a room with a real problem and a person who can say yes. The platform helps companies identify and prepare for the industry events, trade shows, and site visits where their target customers make buying decisions. Built on B2B OSINT expertise, Seefy automates the operational aspects of event marketing from curated global event discovery to pre-event evaluation and lead capture. This ensures offline networking efforts compound into measurable revenue pipeline rather than disappearing after the event ends.

Wappalyzer identifies technologies on websites. See what sites are built with—technology detection for research and sales. The detection is comprehensive. The browser extension is convenient. The data informs decisions. Researchers and sales teams wanting technology insights use Wappalyzer for site analysis.

Scope provides sales engagement with focus on calls. Sales execution platform—engagement centered on conversation. The call focus is specific. The engagement is comprehensive. The tracking helps. Sales teams prioritizing calls use Scope for call-centered engagement.

Teamgate is a sales-focused CRM designed for SaaS and SMB companies that prioritizes ease of use and fast implementation. It offers pipeline management, lead scoring, SmartDialer for in-CRM calling, email integration, and sales forecasting. Winner of Capterra's 2024 #1 Value-for-Money CRM, Teamgate helps teams achieve up to 132% conversion rate improvements with a free starter plan for up to 2 users.

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.

Really Simple Systems (now Spotler CRM) is a cloud-based CRM and marketing platform designed specifically for small and mid-size B2B teams. It provides sales pipeline management, contact and account tracking, email marketing with campaign builder, and a customer service module. The system emphasizes simplicity, with an interface that requires minimal training and free customer support on all plans including the free tier. Now part of the Spotler group, it continues to serve businesses that need straightforward CRM without the complexity of Salesforce or HubSpot.

Agile CRM is an all-in-one customer relationship management platform for small businesses. It combines sales, marketing, and service automation with contact management and analytics to help growing companies manage customer relationships.

Leadpipe is a website visitor identification software that helps businesses turn anonymous website traffic into qualified leads and revenue. It works by installing a simple pixel on your website, which then collects, analyzes, and converts first-party data. This allows businesses to identify a significant portion of their website visitors by name, email, phone number, and LinkedIn profile, even if they don't fill out a form or interact with a lead magnet. The platform provides real-time visitor data, including detailed page tracking and buyer journey insights. It integrates with over 260 tools, enabling automated email outreach and seamless addition of identified leads to existing email marketing lists or CRM systems. Leadpipe is particularly beneficial for SaaS startups, retailers, agencies, and e-commerce businesses looking to reduce ad spend, improve retargeting efforts, and increase conversion rates by directly engaging with high-intent leads.