List of the Top 25 Free Sales Intelligence Software in 2025

People Data Labs specializes in delivering B2B data solutions tailored for developers, engineers, and data scientists. The company offers an extensive dataset that includes resume, contact, demographic, and social details for over 1.5 billion distinct individuals. This data can be utilized for product development, profile enhancement, and facilitating AI-driven predictive modeling. Developers access this information through APIs, ensuring seamless integration into their projects. PDL partners exclusively with legitimate businesses that strive to positively impact the community through their products. The data provided by PDL is essential for organizations establishing data departments, particularly those prioritizing data acquisition. Such companies depend on high-quality, rich, and compliant individual data to safeguard their operations and maintain integrity in their processes. In an era where data-driven decision-making is key, PDL's offerings empower businesses to harness valuable insights effectively.

With a vast repository of over 706 million contacts, we equip your sales team with valuable insights. This includes direct dial phone numbers and email addresses, maintaining over 706 million precise and current B2B contact records. Our database offers comprehensive information on job roles, achievements, professional backgrounds, educational history, online presence, and links to social media accounts. Curious about who supervises your prospects? Or who their colleagues are? Our dataset makes it easy to find these answers and much more. We prioritize ethical data sourcing, ensuring we never mine your emails for names or phone numbers. Our practices comply with the latest privacy regulations, including the California Consumer Privacy Act (CCPA), as well as international data laws. We safeguard our clients' personal information and collect data in strict accordance with all relevant regulatory standards.

HubSpot serves as an AI-driven customer platform that combines all the essential software, integrations, and tools required to unify your marketing, sales, and customer support efforts. By utilizing HubSpot’s connected platform, businesses can accelerate growth by prioritizing the most critical aspect of their operations: customer engagement. The HubSpot CRM goes beyond being merely a tool; it is the core of your business operations. This CRM solution empowers your team to cultivate stronger relationships with customers, fundamentally changing how you communicate with them. It provides a seamlessly integrated environment for sales, marketing, and customer service, enabling deep insights into your customer interactions. Everything is neatly organized within an intuitive dashboard that boosts your team's productivity. As your business evolves, our platform is built to scale, offering adaptable solutions that cater to your changing requirements. Additionally, HubSpot CRM features a robust free version filled with vital functionalities, making it an excellent option for forward-thinking businesses. This innovative CRM is set to redefine customer management; every customer interaction represents a chance for growth and improvement. You can schedule a demo to explore our premium offerings, or you may begin using our extensive range of free tools right away.

Nimbler offers sales professionals and marketers a wealth of verified business contacts, boasting millions of personal and work emails that undergo real-time validation, along with mobile numbers. Users can effortlessly search for potential clients by utilizing various filters, including job title, seniority, department, industry, and geographical location. Thanks to our real-time data verification, your outreach emails are effectively directed to the appropriate audience. Best of all, Nimbler is completely free, providing unrestricted access to a wealth of quality leads and an unlimited number of user accounts. This ensures that your sales efforts are not only efficient but also effective in reaching the right targets.

GetEmail.io leverages advanced Big Data and Artificial Intelligence technologies to locate any email address globally. By simply inputting a person's first and last names along with their company's domain, our tool effectively identifies the desired email address. We have meticulously analyzed countless websites to determine the email formats utilized by millions of organizations. Consequently, we can generate the professional email address for the individual you aim to reach out to. This straightforward process allows you to save significant time; what would typically take around 5 minutes to track down manually can now be accomplished in mere seconds using GetEmail. If you were to search for 20 email addresses each hour, GetEmail would ultimately save you an impressive 2 hours daily. Additionally, GetEmail.io provides two Google Chrome Extensions, one tailored for LinkedIn and the other compatible with Gmail, Outlook, and Salesforce, enhancing your email finding experience even further. With these tools at your disposal, the efficiency of your outreach efforts is greatly amplified.

Kixie: Intelligent Calling and Texting Solutions for Revenue Teams Kixie serves as an AI-driven sales engagement platform designed to enable teams to connect more swiftly, secure additional deals, and grow seamlessly—all while maintaining a personal touch. 🔥 Outbound Sales: Elevate connection rates by as much as 400% through AI-enhanced Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Streamline calls and texts for immediate follow-ups and impactful outreach—all without the hassle of manual processes. 📞 Inbound Sales & Customer Service: Manage a higher volume of calls with intelligent CRM-based routing, shared SMS inboxes, and instant auto-responses. 📊 Revenue Operations & Leadership: Access AI-generated insights, real-time coaching resources, and sophisticated analytics to enhance your team's performance. 💥 Transform your sales force today! Explore our website to begin your journey for free, with no credit card necessary, and discover the difference Kixie can make.

Lead411 delivers detailed company insights along with precise contact information, including direct phone numbers and email addresses. Additionally, it features a sales cadence tool designed to streamline and automate your outreach via email and SMS, enhancing your communication efficiency.

ReachStream stands out as a reliable B2B data partner that empowers businesses to identify and connect with qualified prospects through the exportation of comprehensive datasets. By initiating contact and scheduling meetings, companies can enhance their outbound strategies and develop effective marketing campaigns. Leveraging data-centric methods not only boosts your sales pipeline but also helps in converting high-value clients. Additionally, the platform allows for the exploration of new markets, enabling outreach to potential customers on a global scale. Users can uncover prospects that align perfectly with their ideal buyer personas and craft campaigns designed to maximize both engagement and overall value. Furthermore, by utilizing LinkedIn, one can search for top candidates based on profiles, job titles, and personal contact details, facilitating the generation of curated lists for targeted outreach. This approach significantly reduces the time and effort spent on traditional job listings and resumes, allowing for a more efficient hiring process. Engaging with top talent becomes seamless through personalized and insightful communication strategies designed to capture their attention. Ultimately, ReachStream not only streamlines your outreach efforts but also ensures that you are connecting with the right candidates effectively.

Customers today have elevated expectations, and the businesses that thrive are those that offer personalized, swift, and seamless purchasing experiences in an era defined by instant gratification. Drift is here to assist you in achieving that goal. By integrating chat, video, and automation, Drift effectively eliminates obstacles in the purchasing process. This platform empowers you to engage in conversations with prospective clients at your convenience. Currently, more than 50,000 companies utilize Drift to boost their revenue, shorten sales cycles, and simplify the buying process, leading to greater customer satisfaction and loyalty.

BookYourData serves as a transformative B2B prospecting platform, drastically changing how companies obtain and utilize contact information. Since our inception in 2015, we have successfully empowered over 20,000 clients across the globe with access to an extensive database comprising more than 100 million direct B2B contacts. What sets us apart is our unmatched accuracy guarantee of 95%. We take pride in our broad reach, which spans over 200 countries, and we offer a diverse array of search criteria to meet various needs. Our adaptable platform accommodates everything from web technologies to account-based marketing strategies. But that's merely the start; we have also established specialized categories focusing on healthcare professionals and segments specifically for real estate agents. With BookYourData's holistic approach, businesses from any sector can rely on us as their trusted partner for efficient and accurate B2B contact solutions. Join us today to uncover a realm of opportunities that can elevate your business.

Optimize your revenue, boost sales, and tap into your entire addressable market by identifying 1,000 U.S. companies with a workforce of 50 or more that utilize Salesforce or Marketo. Following this, gather 25 contact details for each company—totaling 25,000 individuals—ensuring these contacts hold director-level positions or higher in sales, marketing, or IT. Make sure to include accurate emails, direct phone numbers, and valuable insights for all identified accounts and contacts. After the upload is complete, eliminate any contacts already present in our CRM and ensure they are removed from Salesforce as well. Leverage artificial intelligence to verify the accuracy of emails for all your target accounts and contacts, along with validating phone numbers. This process allows for the swift assembly of lists containing the most profitable contacts and lucrative accounts. Moreover, our advanced sales AI search engine provides the capability to explore millions of accounts and contacts, enhancing your outreach strategy. By utilizing this comprehensive approach, you can significantly enhance your sales efforts and overall market engagement.

ZoomInfo stands out as a premier business intelligence platform that equips companies with extensive data and insights regarding other businesses, professionals, and prevailing market trends. By offering in-depth profiles, contact details, and firmographics for millions of organizations and key decision-makers, it enables firms to refine their sales, marketing, and recruitment strategies effectively. Utilizing AI-enhanced analytics and data mining techniques, ZoomInfo provides practical insights that empower businesses to discover new opportunities, streamline their outreach efforts, and make well-informed decisions. The platform's features for lead generation, account management, and sales prospecting make it a favored choice among sales and marketing teams seeking to boost growth, enhance targeting, and improve customer engagement. Furthermore, its user-friendly interface and robust data offerings ensure that companies can stay ahead in today's competitive landscape.

HubSpot's sales platform alerts you when a prospect engages with your emails, enabling you to monitor every interaction and consolidate all your activities in a single dashboard. You can begin with a free trial and scale up as your needs evolve. The sales tools provided by HubSpot streamline your workflow throughout the sales funnel, allowing you to set up personalized reminders and automated follow-up emails that are sent at optimal times. Additionally, you can create email templates for repetitive messages, analyze their effectiveness, and share the best-performing templates with your team to enhance collaboration. Notifications will inform you as soon as leads open an email, click on links, or access attachments, empowering you to promptly engage with the most promising prospects. You also have the option to interact with potential clients through live chat on your website, which helps avoid unnecessary email exchanges and missed phone calls. By sharing a link, leads can select a mutually convenient time for meetings. Furthermore, the platform automates the tedious task of manual entry by logging each lead's contact details, their email interactions, and more, allowing for efficient lead management and automated processes like lead rotation. This comprehensive approach ensures that you stay organized and responsive, ultimately leading to enhanced productivity and sales success.

Hunter provides an efficient way to uncover professional email addresses, making it easier to connect with essential contacts for your business needs. Its Domain Search feature offers a thorough compilation of employees at a specific company, displaying their names and email addresses gathered from online sources. Boasting an extensive repository of over 100 million indexed email addresses, along with powerful search filters and deliverability evaluations, this tool represents the pinnacle of Hunter's email discovery capabilities. By simply entering a person's name, you can access either the verified email address or the most probable one linked to that individual. Moreover, you can obtain confirmed email addresses accompanied by a confidence score shown as a percentage. The platform allows you to save any email to your leads, export them, or smoothly integrate them into your chosen CRM platform. Each email is supported with links to public sources for verification and details on when the information was last updated. Whether your outreach strategy involves contacting professionals one by one or en masse, the Email Finder employs various signals to swiftly pinpoint the verified or likely email address of anyone within seconds, thereby providing essential resources to effectively grow your professional network. Additionally, the user-friendly interface makes it accessible for all experience levels, ensuring that anyone can leverage its capabilities for their networking needs.

Apollo serves as a comprehensive solution for your complete sales strategy from start to finish. Both sales professionals and marketers leverage Apollo to identify potential customers in the marketplace, engage with key contacts, and create an innovative approach to their go-to-market efforts. This platform not only enhances customer discovery but also streamlines the process of building lasting relationships in a competitive environment.

Crunchbase emerges as the leading platform that empowers professionals to discover innovative companies, connect with their founders, and investigate various opportunities. Boasting a community of over 55 million users—including entrepreneurs, investors, market analysts, and sales experts—Crunchbase serves as a reliable resource that informs essential business choices. Organizations around the world rely on our services, executing over a billion API calls each year. We firmly believe that promoting diversity not only fosters the emergence of creative solutions but also uncovers existing challenges that need addressing. Our mission is to enhance accessibility to opportunities, empowering individuals and businesses from diverse backgrounds to foster innovative thinking for a more promising future. Crunchbase Pro specifically targets those in need of in-depth data about companies, investors, and funding through our user-friendly web interface, featuring advanced search functions, customizable lists, personalized alerts, and CSV exports—perfect for sales professionals, entrepreneurs, market researchers, and investors. By nurturing an inclusive atmosphere, Crunchbase strives to enhance the entrepreneurial landscape and motivate collaboration among a wide array of talents, ultimately benefiting the entire business community. This commitment to inclusivity not only strengthens our platform but also enriches the network of professionals engaged within it.

Hello! I’m Norbert, an expert in finding email addresses for individuals. Enhance your outreach by establishing connections with key decision-makers and building valuable relationships. Compile detailed lists of pertinent contacts to improve your networking initiatives. Look for top talent and craft personalized messages when the timing is right. Identify influential journalists to create buzz around your newest product or feature. Collaborate with blogs, build backlinks, engage with writers, and distribute your content effectively. Email continues to be the leading method for fostering lasting relationships with essential figures in your field. Scale your efforts to gather corporate emails from prominent decision-makers, thereby strengthening connections. It's vital to validate emails in real time to ensure communication with actual individuals while safeguarding your sender reputation. Expand your contact database to reach prospects with targeted messaging, delivered in the most impactful way. You’ll gain immediate access to a reliable and up-to-date repository of B2B contacts, empowering your outreach strategies. This capability can significantly boost your business relationships and unlock new opportunities for collaboration, ultimately contributing to your growth and success. By leveraging these tools, you can ensure that your outreach efforts are both effective and efficient.

Leadfeeder offers a powerful B2B website visitor tracking and lead generation solution that enables companies to monitor unidentified visitors to their sites and transform them into valuable sales leads. This tool seamlessly integrates with popular CRMs like HubSpot, Pipedrive, and Salesforce, as well as email marketing platforms such as Mailchimp and ActiveCampaign, to boost sales intelligence. With a user base exceeding 45,000 globally, Leadfeeder is recognized as a premier choice for enhancing lead generation strategies. Additionally, users can take advantage of a complimentary 14-day trial without requiring a credit card, allowing for immediate access to its features. This trial provides an excellent opportunity for businesses to explore the platform’s capabilities before making a commitment.

Stay vigilant about the businesses that matter most to you by tapping into exclusive insights on over 13 million public and private companies through the Owler community. Discover prospective partnerships that can elevate your organization by applying filters related to industry, geography, revenue, employee count, and additional parameters. Explore a vast network of more than 40 million competitive ties to identify the prominent players that warrant your focus. Keep yourself updated on the firms that pique your interest by following them, and receive personalized news and real-time alerts to ensure you are always in the loop. With specific companies in mind, leverage Owler's news alerts to gain valuable insight into events that could impact your business strategies. Furthermore, gauge public opinion about your brand, monitor competitors, and stay abreast of industry trends that could influence your operations. By concentrating on actionable insights concerning the companies relevant to your pipeline, you can enhance your efficiency, enabling you to dedicate more time to selling rather than sorting through extraneous information. Utilizing these tools will empower you to make well-informed decisions and refine your overarching business strategy. Ultimately, the comprehensive insights offered by Owler can serve as a cornerstone for your company's growth and success.

RocketReach streamlines the often tedious task of compiling a contact list by automating data collection. With access to a vast network of over 700 million professionals from 35 million companies globally, it boasts the most extensive and precise database of email addresses and direct phone numbers available. The platform is user-friendly, requiring no downloads, installations, or updates, which makes it easy to implement and use effectively. Its browser extension transforms your internet browser into a powerful tool for quickly locating phone numbers and email addresses. You can effortlessly discover emails from platforms like LinkedIn and Crunchbase with just a single click. Additionally, the bulk lookup feature allows users to efficiently gather contact details for multiple individuals simultaneously. RocketReach seamlessly integrates with various applications such as Hubspot, Salesforce, Outreach, Salesloft, and countless others through Zapier, and its intuitive API enables direct integration into your own applications. Consistently evolving, RocketReach enhances its accuracy, comprehensiveness, intelligence, and thoroughness, setting it apart from competing services. With a user base exceeding 11 million and a trust factor from 95% of the S&P 500, it serves as the perfect solution for marketing, sales, and recruitment teams looking to optimize their outreach efforts. The reliability and efficiency of RocketReach make it an indispensable asset in the modern business landscape.

AeroLeads provides a fast and efficient way to discover email addresses and compile an email list for your business needs. By signing up for AeroLeads, you can access our complimentary Chrome extension. Utilizing platforms like LinkedIn, CrunchBase, or AngelList enables you to search for potential contacts. With our Chrome extension, you can effortlessly add these relevant leads or prospects into AeroLeads. The platform then retrieves their business email addresses, along with essential details such as company URL, job title, and location. This information is conveniently displayed on your prospects page within AeroLeads. You have the option to search for business emails directly on LinkedIn, or you can upload your name and company to streamline the email discovery process. The tool can uncover as many as 15 different data points, including full names, job titles, and locations, in addition to generic company emails. Furthermore, you can easily export this valuable data to CSV format or integrate it with popular CRMs like Salesforce, HubSpot CRM, Pipedrive, Zoho CRM, FreshSales, and Zapier with just a single click. This seamless integration helps optimize your outreach efforts and enhances your marketing strategies.

Adapt.io stands out as a comprehensive B2B lead intelligence solution that streamlines the prospecting process and enhances data enrichment for both sales and marketing professionals. With an extensive repository boasting over 250 million contacts and 12 million company profiles, it provides vital contact details such as direct phone numbers and email addresses, facilitating connections with key decision-makers across diverse sectors. The platform is equipped with sophisticated filtering functionalities that allow users to curate highly specific lists based on various parameters, including industry type, job position, geographical location, and company scale. Furthermore, it integrates smoothly with widely-used CRM platforms and features a Chrome extension that offers immediate data access while users navigate LinkedIn or other corporate websites. Adapt.io employs stringent verification measures to maintain data precision, which in turn minimizes bounce rates and boosts the efficiency of marketing campaigns. It serves businesses of all sizes, from emerging startups to established enterprises, enabling them to optimize their lead generation processes and conserve valuable resources. By equipping teams with insightful data, Adapt.io not only enhances outreach strategies but also significantly raises conversion rates, ultimately fostering sustainable growth for organizations. As such, it represents a vital tool for any company looking to refine its approach to B2B engagement effectively.

Individuals tend to respond to emails at double the speed compared to LinkedIn messages, with their response times being reduced by 85%. Our advanced AI engine excels in locating emails for 75% of professionals in the western regions, which is significantly higher than any competing service. The accompanying Chrome extension is designed to work seamlessly with both LinkedIn and Github, assisting users in discovering email addresses and phone numbers. This tool empowers you to connect with essential contacts for your business. You can conveniently access all saved leads in a centralized location, organize candidates into folders, and share these with your team. The platform also allows for easy one-click exporting to Excel or ATS, making data management a breeze. ContactOut's intuitive search portal enables you to quickly find candidates, even those not listed on LinkedIn, with unlimited search capabilities. Additionally, you can engage with potential leads more efficiently by utilizing our reusable email templates while browsing LinkedIn. The option to contact multiple individuals simultaneously and automate follow-up messages further streamlines the outreach process. A standout feature of ContactOut is its flawless integration with LinkedIn, providing users the unique ability to effortlessly gather personal email addresses and phone numbers of prospective candidates directly from their profiles. With a remarkable coverage of over 75% of professionals in developed nations, this platform not only broadens your outreach but ensures you remain informed about the best potential candidates. Ultimately, ContactOut is designed to enhance your recruiting efforts, making the entire process simpler and more effective.

MassContacts provides a carefully curated database that includes more than 50 million active professionals and resumes, aimed at improving your lead generation, marketing initiatives, and hiring practices. Its advanced filtering capabilities allow users to easily pinpoint the best prospects and candidates. This platform is recognized as the most affordable and user-friendly contact database and CV search tool on the market, making it a vital asset for companies seeking expansion. Utilizing this vast database enables you to enhance your outreach efforts, ultimately facilitating the discovery of the ideal talent with unprecedented efficiency. Additionally, the extensive options available ensure that businesses can customize their searches to meet specific needs and objectives.

Make use of our job title search tool to discover your ideal customer, even if you don't know their name. If you're aiming to reach multiple prospects at once, our file upload feature allows you to extract hundreds of email addresses swiftly. We also offer a range of tutorials that can help you enhance your lead generation strategies. In contrast to many email finders, we only charge for emails that have been confirmed as unlikely to bounce, ensuring that you only pay for reliable contacts. While other services may sell questionable leads, we prioritize quality over quantity. You will only incur costs for emails that have been thoroughly verified. Our email discovery method includes scanning vast numbers of web pages and performing server validation. By harnessing our advanced finding system, comprehensive database, and valuable partnerships, we have built a formidable network that produces tangible results. You can upload files with as many as 50,000 entries, enabling us to gather their email addresses so you can redirect your attention to other vital activities or even take a moment to relax. Furthermore, our user-friendly REST API allows for rapid and effective access to emails based on name, job title, or domain, in addition to validating current addresses. This efficient system guarantees that you can optimize your outreach efforts with minimal complications, making your workflow smoother and more productive. Ultimately, our tools are designed to save you time while ensuring you connect with the right prospects.