Harmonic Alternatives (September 2025)

We give companies and investors the keys to their extended networks and the relationship data they need to accelerate sales, recruiting, and fundraising.

Turn potential into profit. Archilogic's digital twins make space management smarter, reduce costs, & unlock data-driven insights for max portfolio value. Leverage seamless integration, space comparison across your entire portfolio, and auto-polylining for optimized, efficient layouts.

Lusha provides high quality, unique premium data where you need it most: On social networks, the web, Salesforce or directly on your product.

Heartbeat AI lets you quickly find Healthcare & Medical Professionals’ direct contact info: email addresses, direct telephone, and cell / mobile phone numbers. Perfect for Staffing, Recruiting, or Sales Prospecting within the Healthcare Industry.

Search, engage, and convert over 275 million contacts at over 73 million companies with Apollo's sales intelligence and engagement platform.

CartInsight is curated database of 528,394+ e-commerce stores with detailed intelligance on every store. Try it now with a free account.

The most comprehensive list of ecommerce stores including 13,255,152 active stores across 289 platforms including Shopify, WooCommerce and Square Online.

Search and find TikTok and Instagram influencers in our spam-checked influencer database. Use our tools to search, vet and track your influencer marketing campaigns.

Develop a view on private companies in minutes with Gain.pro. Access insights on financial sponsors, deals, industries and more to gain your competitive edge.

Cognism is a leader in premium sales intelligence, setting a new standard for data quality and compliance, trusted by over 1800 customers worldwide.

Tap into the most comprehensive, privacy-compliant Data Cooperative on the web, and watch your sales and marketing results skyrocket.

Discover the most accurate B2B data platform - DealSignal. Fuel your marketing & sales performance with fresh, verified lead data.

Improve M&A deal origination & PE deal sourcing with our software platform. Efficiently source private market info, manage pipelines, & sync investment leads online.

Find government bids and contracts from over 110,000 government agencies, including US federal, state, cities, counties, and schools.

AlphaSense finds information on companies, data and themes from within millions of research documents in seconds, all with ONE simple search.

Trade Data Pro is one of the World's Leading Trade Data platforms. Unlock comprehensive import-export trade data, including details by country, HS code, importer-exporter, value and more.

Grow your sales funnel and generate better leads. Start identifying B2B website visitors and reach out to them within Leadinfo's all-in-one platform.

Supercharge your sales with EasyLeadz - A comprehensive B2B database provider. Unearth valuable leads in our company's database.

SalesIntel is the leading sales intelligence platform and B2B contact data provider. Provide most accurate & high quality USA B2B sales leads and B2B company search platform.

Owler's exclusive company and industry insights make it easy to find and monitor competitors, prospects, and key accounts – so you can increase your revenue and grow your business.

Cyndx is an AI-powered search and discovery engine built to simplify deal origination.

Unparalleled property & owner data combined with all the hyperlocal tools you need to generate leads and grow your business.

Capture and leverage buying committee data with Nektar.ai. The only scalable solution to enhance reporting in Salesforce and Snowflake, empowering data-driven decisions at every business.

Sales/Marketing professionals love our Market Intelligence & B2B Sales Lead Platform with 120M+ B2B companies and 400M+ contacts. Join Today!

Discover data on every UK private company — from high-growth companies to accelerators and funds — powered by smart tech and even smarter people.

Indexing the world’s fastest growing companies & startups with annual revenue, competitors, number of employees, funding news, valuations, etc.

Datafi is an integrated data platform that empowers teams with business data on their terms - where and how they need it. Organizations of all sizes use Datafi to enable their employees to create real-time data-driven workflows and modern data applications to manage operations and gain insights into their operational data - all from an integrated data platform, securely accessible from anywhere, on any device.

Innopipe is an AI-powered and data-driven platform to discover, manage and take action on the most relevant tech companies & innovations.

R Discovery is the best AI academic research reading app and AI literature search tool with the largest scholarly content repository. Access 250M+ research papers, 40 M+ open access free research papers, 8M+ research summaries and highlights, 3M+ pre-prints, 32K+ journals, and 9.5M research topics.

Boost your outreach game with AeroLeads – All in one Email Finder and Email Verifier tool. Verify with precision, and supercharge your email marketing strategies

The #1 rated sales lead AI software for businesses to do B2B direct dials, mobile numbers, and find emails. Join 500,000+ Sales Execs and sign up for the platform today.

Get the best Al for any job by using OpenAl, Claude, Gemini, LLama, Groq, Mistral, and more at one place. Save money by using all top LLMs.

High-performance, AI-powered consumer data that optimizes marketers’ acquisition, upsell, and retention efforts driving CLV and revenue.

Chartmetric's music data analytics helps artists and music industry professionals understand music trends, music marketing, Spotify stats, TikTok charts, and so much more.

Crossing Minds' advanced AI and ML operations platform, tailored for enterprise growth. Our solutions leverage real-time data processing and machine learning to optimize user experiences and boost business metrics across industries like retail and entertainment. Partner with us and leading brands to revolutionize customer engagement with precision and scale.

Global Database - b2b databases for sale make it easy to connect with the right contacts in the right way. Company database, company financial information, Credit Reports and get an insight about which technology a company is using - GlobalDatabase.com

Looking to improve hiring efficiency? X0PA AI uses patented algorithms to find the best candidates bias-free, while reducing cost and time.

Join thousands of ecommerce teams achieving up to 8% site-wide and 16% search conversion rates with Klevu AI search, merchandising, and product recommendations.

Growth Automation is what efficiency-obsessed companies use to shorten sales cycles, reach more leads and close more opportunities faster

Our API Management platform is fast, scalable, modern. Including an open source API Gateway, Analytics, Dev Portal and Dashboard.

Apideck Ecosystem helps you build your app store and whitelabel marketplace in minutes instead of months.

Find and connect with cold sales prospects within minutes using affordable, accurate contact information from Datanyze. We're revolutionizing B2B data!

Transform legal, investigatory, and compliance data into responsive insights with Casepoint's secure AI-powered data discovery platform. Seamlessly identify, collect, preserve, and discover data at enterprise scale

Join 850+ Venture Capitalists, Private Equity Firms, Investment Banks and Corporates who leverage Tracxn to track the world's most innovative companies and emerging sectors.

LeadIQ is a platform of B2B sales prospecting tools. Find prospect data, track buying signals, & personalize cold outreach for outbound prospecting.

The CB Insights market intelligence platform analyzes data points on venture capital, startups, patents, partnerships and tech news. Learn more today.

The CB Insights market intelligence platform analyzes data points on venture capital, startups, patents, partnerships and tech news. Learn more today.

Empower your business decisions with our cutting-edge customer insights platform. Uncover valuable data-driven strategies and trends.

ZoomInfo’s B2B sales prospecting software accelerates your pipeline & revenue. Identify your ideal customer profile & ready-to-buy prospects with ZoomInfo Sales.

Federal Compass enables government contractors through a richly personalized opportunity and market intelligence platform.

Access Company Insights: hiring initiatives, leadership changes, new partnerships, product launches and more.

Elevate efficiency with APISCRAPY's AI-Driven Web Scraping & workflow automation. Streamline processes seamlessly. Embrace the future of productivity.

Corporate Alumni. EnterpriseAlumni is the market-leading Alumni Platform serving the world's leading organizations to manage & engage an Alumni Community.

Unleash the power of social data with Meltwater's suite of AI-powered tools for media, social, and consumer intelligence.

Supercharge your sales emails with Autobound, the AI-powered platform for hyper-personalized outreach. Boost reply rates, integrate with your favorite tools, and sell smarter. Try it free today!

Unified API - one API for HR, ATS, CRM, Accounting, Storage, MarTech, Enrichment, and Call Center integrations

Discover data and metadata in seconds and develop data products and analytics that drive your business.

MarketInside - an easy to use trade data online search platform for global import export data and bilateral trade intelligence. Our trade intelligence platform is best to monitor your business competitions, identify potential market, prepare market strategies and find new business opportunities.

Dealroom helps professional investors, corporates and local governments to discover & track innovative tech companies.

Patsnap is a global patent and innovation database that provides users with a comprehensive and user-friendly platform for conducting patent searches.

Create professional business plans quickly & easily with ProAI, the top AI-powered business plan generator. ProAI's AI insights help strategize for future success. Generate complete, customized business plans online in minutes.

Unlock the power of your communications data. The Nylas communication APIs remove complexity & empower teams to create seamless user experiences.

Close more deals with Winmo. Our advertising database gives you accurate, in-depth profiles of national advertisers and decision-makers.

Recommender as a Service with an intuitive RESTful API & SDKs tailored by data scientists.

Lead411 is the only truly unlimited sales leads database for B2B data fueled by intent data. No hidden fees, No Download Limits,

Your AI-powered hub for seamless social media scheduling and content creation. Elevate your digital presence with smart automation and creative tools.

Explore the world's fastest database and analytics platform. Data-driven organizations choose KX for faster, more confident decision making.

A market & competitive intelligence platform powered by mind + machine™, Powered by AI. Monitored by domain experts. Driven by you.

Data-driven Influencer marketing platform for brands & agencies that helps to find the best influencer, analyze the market, track and measure influencer campaigns.

Adeptia’s AI & self-service platform improves external data integration, data quality, and data governance to automate your business data exchanges

Our B2B database verifies contact info in real-time, builds your lists automatically, and integrates with the tools you already use.

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

A smarter prospecting data platform that brings you 5x more high quality leads for faster, more efficient revenue growth.

Launch AI apps for business intelligence that boost user engagement and drive actual impact. Quick integration. Cloud native. Data governance baked in.

F6S is a global community that delivers billions in growth to startups and companies with funding, accelerators, jobs, grants and thousand more opportunities. Join the leading global network for free.

Drive Digital Transformation with SCIKIQ’s generative AI, data hub, and data lakehouse solutions. Build together with our Data engineering and Data science team, experience seamless data integration, data transformation and Data Governance with best in the world Data quality, Data lineage and Semantics.

Local Logic provides industry-leading location intelligence technology. Helping the real estate industry make better decisions since 2015.

From sales forecasting to pipeline management and revenue intelligence, Clari's Revenue Platform makes your entire revenue process more efficient and predictable.

Discover AllegroGraph, the leading Knowledge Graph Platform integrating Neuro-symbolic AI for advanced data analytics and intelligent decision-making. Enhance your data insights with third wave AI technology.

Grata provides unparalleled information & access. Find companies by strategic fit, source proprietary deals, and map markets - all within a streamlined UX.

2024 Gartner Peer Insights "Customers’ Choice" for CAASM. Complete visibility. Uncover exposures in minutes - no agents, credentials, or hardware required!

The most versatile, and feature-rich engagement platform. Browse beautifully designed templates, each flexible for precise customization to your needs.

Referral-AI is a relationship intellegence referral network- for sales and marketing teams so you can reconnect with past customers, target ICP personas, and track successors with relationship intelligence to shorten your sales cycle.

Realist is professional-grade real estate agent software offering public property records and comprehensive property intelligence.

ArangoDB is the leading multi-model database for high-performance applications. Try it now for flexible data modeling and efficient querying.

WatchMyCompetitor is the AI competitive intelligence platform that delivers actionable insights, curated by market analysts.

Timely, analyst reviewed commercial lease comps, sale comps, and property details.

Codat's business data APIs connect banks and fintechs to all of the financial systems their customers use.

Maximize engagement with unified AI text and voice communication. Engage across every channel and connect with your favourite business tools. Get started free.

Access our accurate and real time verified B2B database to drive growth. With built-in email verification, UpLead is the leader in high quality business contact data. Start your free 7-day trial today!

Look to Informatica’s AI-powered Intelligent Data Management Cloud for a full range of innovative solutions to your company’s data challenges.

With our banking APIs you can integrate your business with our financial services and make it grow. Find the right API and solution for your business here.

Navigate the dynamic world of social and consumer data with Talkwalker's leading social listening, media monitoring, and social benchmarking platform.

AlmaConnect has an alumni engagement stack helping alumni engagement teams, development teams and alumni leverage the community effectively.

No-code SaaS data platform | Quantumics.AI

An enterprise-grade data integration platform built around data-products, making it easy and fast for Analytics and AI users to get ready-to-use data

Fundmetric is the world's first fundraising real-time analytics platform that uses artificial intelligence to understand, predict and serve donors. Welcome to a smarter way of fundraising.

Build once, maintain, and onboard in days, not months. Single API integration to add all HR, payroll, ticketing, accounting, ATS, CRM, SCIM and directory platforms.

BangDB is an AI database platform with Graph and time-series data analysis. It is designed for modern use cases for edge computing