17.7
Free planWebAPIExtension
Alternatives to HubSpot CRM
27.5
OpenGTM is an open-source, self-hosted workspace for go-to-market teams and their agents.
Free planOpen sourceWebAPIExtension
37.5
Free planWebAPISelf-hosted
- 4
PredictLeads
PredictLeads provides structured company intelligence for AI agents through MCP, APIs, webhooks, and flat files.
Free planWebAPIExtensionSelf-hosted7.5From $0.01 a month - 5
Elvesora Enrichment
Elvesora Enrichment adds company-level context to business records for account workflows, CRM routing, segmentation, scoring, reporting, and cleanup.
Free planWebAPI7.4From $30 a month - 6
Enrich Layer
Enrich Layer is a managed data enrichment layer for B2B applications, returning company, people, job and web signal data in a consistent JSON response.
WebAPILinuxmacOS7.3From $588 a year - 7
Clay
Clay is a spreadsheet-style platform for connecting information and automating work, aimed at salespeople, growth teams and small agencies finding and reaching customers.
Free planWebLinuxmacOS7.2From $167 a month - 8
Coresignal
Coresignal provides real-time public web data about companies, jobs, and professionals through APIs and flat-file datasets.
Free planWebAPI7.2From $49 a month - 9
Diffbot
Diffbot uses AI models to turn unstructured web content into linked knowledge.
Free planWebAPISelf-hosted6.9From $299 a month - 10
B2BEnrich
B2BEnrich provides real-time B2B data enrichment through a REST API for developers and product teams.
Free planWebAPI6.8From $49 a month - 11
ZoomInfo
ZoomInfo is an AI go-to-market platform for B2B sales, marketing, RevOps, and customer success teams.
Free planWebAPIExtension6.8Free plan - 12
Clay
Clay turns a business’s Google listing, photos, reviews, and hours into a live website, with a preview available in less than a minute.
Free planWeb6.7From €29 a month - 13
HubSpot Live Chat
Free planAndroidiOSWeb6.7Free plan - 14
Melissa Enrich
Melissa Enrich adds geographic, demographic, and firmographic information to existing records for customer insight, audience targeting, marketing, and sales.
WebAPI6.7From $14,300 a year - 15
TargetWise
TargetWise enriches contact and company data and offers reverse-email lookup through REST API and MCP access.
Free planWebAPI6.7From $49 a month - 16
Ocean.io
Ocean.io helps teams find companies that resemble their successful customers.
WebAPIExtension6.6 - 17
CompanyEnrich
CompanyEnrich provides real-time company and people data through APIs for platforms, AI agents, and go-to-market workflows.
WebAPIExtension6.4From $49 a month - 18
FullEnrich
FullEnrich finds and verifies prospect contact details through waterfall enrichment.
WebAPI6.3$55 usage-based - 19
YesData
YesData offers Inchworm, a LinkedIn prospecting product delivered through a browser extension and web app.
WebExtension6.3From $79 a month - 20
Databar
Databar combines go-to-market data search, enrichment, and automation for teams and AI agents.
WebAPIExtension6.2From $99 a month - 21
Grizz Company Enrichment API
Grizz Company Enrichment API accepts a company name or domain and returns company details such as a NAICS code, contact information, and an AI-generated description.
Free planWebAPI6.1Free plan - 22
HG Insights
WebAPI6.0 - 23
BetterContact
BetterContact is a web and API service for finding and verifying business email addresses and mobile phone numbers.
WebAPI5.9From $15 a month - 245.9From $280 a year
- 25
5.9From $299 a month - 26
Crustdata
Crustdata provides company and people data for sales, recruiting, investing, and research through APIs and an MCP server.
WebAPI5.8 - 27
Dataforge
Dataforge, also known as FORGE, enriches business records with information gathered from free data sources and optional local AI.
Free planSelf-hosted5.7Free plan - 28
Experian Enrichment
Experian Enrichment adds demographic, lifestyle, behavioral, and financial attributes to customer records.
5.7 - 29
Open Enrich
Open Enrich is an open-source enrichment engine for go-to-market teams that turns CSV files into company intelligence, contact details, and buying signals.
WebAPILinuxSelf-hosted5.7 - 30
6sense
6sense is an API-platform sales intelligence service from a company founded in 2013 and headquartered in San Francisco.
API5.2