Best Nonprofit Lead Intelligence Software

D&B Hoovers delivers lead intelligence that helps organizations understand which prospects deserve attention and why. By combining company data, verified contacts, buying signals, website engagement insights, trigger events, and account context, the platform helps sales and marketing teams prioritize outreach and improve lead quality. Show more lines

Realize the true potential of your first-party data. D&B Connect is a customizable, self-service master data management solution built to scale. Eliminate data silos across the organization and bring all your data together using the D&B Connect family of products. Benchmark, cleanse, and enrich your data using our database of hundreds of millions of records. The result is an interconnected, single source of truth that empowers your teams to make more confident business decisions. Drive growth and reduce risk with data you can trust. With a clean, complete data foundation, your sales and marketing teams can align territories with a full view of account relationships. Reduce internal conflict and confusion over incomplete or bad data. Strengthen segmentation and targeting. Increase personalization and the quality/quantity of marketing-sourced leads. Improve accuracy of reporting and ROI analysis.

We build workforce data, so you don't have to. People Data Labs provides comprehensive workforce profiles built with quality, coverage, and depth in mind. We collect, standardize, and refresh data, so you can build innovative products.

ReachStream Prospect helps sales and marketing teams build accurate, ready-to-reach contact lists in minutes. Search 200M+ verified B2B contacts across 15M companies by job title, industry, technology, employee size, revenue, and location, then send them to your CRM or outbound stack. Key capabilities: Advanced B2B Search: Find relevant contacts using detailed filters. Conversational Search: Describe your ideal prospects in natural language and find matching contacts. Similar Search: Discover companies and prospects similar to your ideal targets. Data Enrichment: Enrich lists with verified emails, phone numbers, and company data. Reach API: Integrate verified contacts into CRM and automation workflows. Real-Time Verification: Verify contact data before download with 95% data accuracy and 90%+ deliverability.

RocketReach is the ultimate solution for connecting professionals to new opportunities. Powered by the world's largest and most accurate contact database of emails and direct dials, you will be able to connect directly with your ideal prospects. Prospect, connect and converse with your leads at scale with RocketReach. With RocketReach, you have access to real-time verified data for over 700 million professionals across 35 million companies worldwide at your fingertips. Thanks to proprietary crawlers and data-mining algorithms, users get information that is 4x more accurate and complete. Trusted by millions of users — powering sales, recruiting, and marketing to work efficiently, effectively, and immediately.

Closely is a cloud-based lead engagement platform for LinkedIn with dedicated residential proxies. Create automated outreach campaigns that send Linkedin connection requests, follow up on them and nurture existing 1st degree connections, all in one tool. Closely also allows you connect multiple Linkedin profiles and monitor responses through a unified Inbox with automatic refresh and tagging capabilities.

BookYourData offers a self-serve Prospector database at bookyourdata.com. The database holds B2B profiles across 200+ countries with real-time email verification at export. New users get 10 free credits to start. Founded in 2015, the company works with 8,600 or more teams from 2 Wall Street, New York, NY 10005, United States. Buyers who prefer a done-for-you option order BeSpoke, a private list building service where researchers hand-build a contact list to a written brief. Every BeSpoke list stays with the ordering client. Data Appending fills empty fields in a contact file the buyer owns, and each added email passes real-time verification. With Direct Dials, the buyer names people by job title, company and country, and BookYourData finds their direct dials and mobile numbers. Before delivery, each number is checked as a direct dial or a mobile and screened for dead lines, with mobile checks via the phone network at no extra charge.

DealSignal provides fresh, accurate, verified B2B data that helps sales & marketing teams maximize their efficiency, performance and results. Precisely target the right buyers, personalize your outreach, and drive more conversions. The DealSignal platform provides access to 600M+ global companies and contacts with over 100 data points, including detailed account profiles, contact profiles, verified emails, corporate & direct phones, social URLs, and mailing addresses – all with 97%+ accuracy and a 100% data guarantee. Optimize your lead scoring and routing, accelerate sales follow-up, personalize conversations, and maximize conversion rates. Better sales and marketing performance starts with better data. Refresh, enrich & reverify your data automatically, on a schedule. Eliminate time wasted on manual data research. Build precise decision-maker lists that enable multi-touch, multichannel campaigns and cadences that deliver higher conversions and build more pipeline faster.

Apollo is an AI-powered sales intelligence and engagement platform designed to help revenue teams find prospects, build pipeline, manage outreach, and close deals from one system. The platform combines a large B2B contact and company database with lead scoring, data enrichment, multichannel sales engagement, workflow automation, meeting scheduling, calling, and deal management. Outbound teams can identify target accounts, find verified contact information, create automated email and call sequences, and prioritize daily selling activities. Inbound capabilities help organizations identify website visitors, qualify leads, enrich incoming records, and route prospects to the appropriate sales representatives. Apollo also provides AI-assisted prospecting, meeting insights, conversation intelligence, sales coaching, analytics, and MCP connectivity for incorporating Apollo data and capabilities into supported AI workflows.

Clearout is an AI-based data quality platform that helps businesses verify, capture, discover, and enrich customer and prospect data from one platform. With GDPR, SOC 2 Type II, ISO 27001, and ISO 27701 compliance, it supports data quality across marketing, sales, recruitment, GTM & customer operations. Its Email Verifier performs 20+ checks with 99.73% accuracy, while Deep Verify resolves difficult catch-all emails. Form Guard validates email, phone & name data in real time, with Form Analytics to monitor form quality and recover lost leads, and Form Forensics to investigate validation outcomes. Data Pulse validates new CRM contacts, and it comes with a 14-day free trial. The platform also includes Email Finder, in-app prospecting with 15+ search filters, data enrichment, real-time webhooks, API integration, a Google Sheet add-on & other integrations, team collaboration & Okta SSO, enabling businesses to maintain accurate data and streamline their sales, marketing, and GTM workflow.

SignalHire is a contact data platform designed to help users find verified email addresses and phone numbers for professionals across industries. It provides real-time access to personal and business contact details, making it valuable for sales, recruiting, and marketing teams. The platform includes a powerful Contact Finder that delivers high-accuracy data, often exceeding 95% email reliability. Users can also leverage a large database of over 850 million profiles and 30 million companies to build targeted lead lists. SignalHire offers a browser extension that reveals contact information directly from websites and social media platforms with a single click. Additional features like email sequences and lead tracking enable users to automate outreach and convert prospects more efficiently. Overall, SignalHire streamlines the process of finding and connecting with the right people using verified, up-to-date data.

Hunter lets you find professional email addresses in seconds and connect with the people that matter for your business. The Domain Search provides a list of the people working in a company with their name and email address, all found on the web. With 100+ million email addresses indexed, effective search filters and deliverability checks, it's Hunter's most powerful email-finding tool. Type a name and get the proven or most likely email address of this person. Find verified email addresses or get a confidence score in percentage. Save any email to your leads and export them or directly import them into your favorite CRM. Every email address has public sources you can check along with the last discovery dates. Find the email addresses of the professionals you want to contact one by one or in bulk. The Email Finder uses a large number of signals to find the proven or most probable email address of anyone in a fraction of a second.

Hello! My name is Norbert! I can find anyone's email address. Fill up your pipeline with qualified leads and get personal with decision-makers. Build lists and contact persons of interest to build resourceful relationships. Hunt down talent and reach out with the right message, at the right time. Find the right reporters and create buzz around last new product or feature. Reach out to blogs, build links, contact authors and spread your content. Email is the best channel to build long-lasting relationships with just about anyone important to your business. Find corporate emails of decision-makers at scale to build more and better relations. Validate emails in real-time to reach real people and keep your sender score safe. Enrich contacts to target prospects with the right message, in the right place, at the right time. An accurate and up-to-date database of B2B contacts right at your fingertips.

Leadfeeder's B2B website visitor tracking and lead generation tool helps businesses track anonymous website visitors and turn them into qualified sales leads. Leadfeeder integrates with existing CRMs like Salesforce, HubSpot, Pipedrive, and email marketing tools like Mailchimp and ActiveCampaign to boost sales intelligence. With over 45,000 users globally, Leadfeeder is THE sales & marketing tool of choice for enhancing lead generation efforts. There's no credit card required for the 14-day trial, so you can get started immediately.

FullContact is a privacy-safe Identity Resolution company building trust between people and brands. We deliver the capabilities needed to create tailored customer experiences, improve ad targeting along with measurement as well as improve identity verification and fraud solutions by unifying data and applying insights in the moments that matter.

Lead411 provides the most comprehensive and accurate information about contacts and companies available in the marketplace. We currently have over 450M contacts, within 20M companies worldwide. Through targeted filters, and Growth Intent Data, customers are able to view complete contact data profiles and find growing companies that are more likely to be in a buying cycle for adding services/solutions. Our growth intent triggers are an easy way for you to filter for companies that make the most sense to reach out to. These companies are growing and have growth indicators such as: recently funded, IPO release, revenue growth, hiring growth, new locations, hiring plans, new executive hires and more. Fueled with this information, customers can reach out directly from the platform with the built-in sales engagement tool Reach, which allows sales to send email and SMS messaging cadences and keep track of the hottest prospects. Includes a search as you go Chrome extension

At Datazapp, we provide affordable, high-quality marketing data to help businesses reach the right audience. Our self-service platform delivers real-time data appends, targeted lists, and deep insights to maximize your marketing success. Marketing & Audience Lists: Charitable Donors, Pet Owners, Hispanic, Jewish & Indian-Origin Consumers, Voter Lists, Political Donors, Republican & Democrat Email Lists, Nurses, and Medical Practitioners Real Estate & Property Data: Homeowner & Recent Home Buyers Lists, Absentee & Vacant Homeowners, Solar & Roofing Prospects, Property Owner & Home Sell Score Predictions Data Appends & Enrichment Cell & Phone Append , Email & Reverse Email/Hash Matching, Demographic & DOB Append, Reverse Phone & IP

97% of visitors on your website don’t leave any contact details. With Visiblee you will boost your website lead generation, with contacts that already know you and are interested in what you offer. Don’t miss business opportunities! Get an alert every morning with the hottest leads and check out their browsing behavior. Visiblee is a unique SaaS Solution for lead generation.

Maximize productivity, accelerate pipeline and reach the revenue potential you didn’t imagine possible with ZoomInfo Sales. Build an account universe based on your Ideal Customer Profiles and reach decision makers with the largest B2B contact database of 65M+ direct dial phone numbers and 150M+verified email addresses. Identify and reach prospects at the beginning of their buyer’s journey by tracking companies researching solutions like yours across the web. Discover and connect with decision makers from companies exploring your business website. Analyze customer calls, meetings, and emails to drive process changes that impact your bottom line. Build and execute multi-touch sales cadences with our native phone dialer and email tool. Shorten your sales cycle with ZoomInfo Chat, an easy-to-use, data-driven chat bot tool. Set real-time lead alerts to engage best-fit buyers or automate lead-qualifying interactions to free up your internal team.

6sense Revenue AI™ eliminates guesswork and arms your revenue team with the data and visibility it needs to create and convert high-quality pipeline into revenue. 6sense Revenue AI™ drives predictable revenue growth by eliminating the expensive, time-consuming guesswork that’s plagued B2B revenue teams for decades. Make the most of every digital investment. Illuminate hidden buyer behavior. Analyze millions of data points to surface in-market accounts. Drive the right action at the right time — across every channel. Lots of companies want what you offer, but your martech systems can’t accurately detect buyer interest. This crucial, dormant data hides in what we call the Dark Funnel™. 6sense illuminates and analyzes these insights. Automate prospect follow up with AI-powered conversational emails. With AI-powered 6sense ® Conversational Email, sales and marketers can craft personalized emails at scale that qualify and convert accounts into sales meetings.