OpenGTM vs Coresignal

OOpenGTM9.2Visit Coresignal8.8Visit

Higher score O OpenGTM #2 in Data Enrichment Software 9.2/10 Free plan Free plan✓ 3 of 3 features Visit OpenGTM

vs

Coresignal #6 in Data Enrichment Software 8.8/10 7-day trial Free trial✓ 1 of 3 features Visit Coresignal

• OpenGTM fits best

  Open-source enrichment waterfalls and workflows

• Coresignal fits best

  Large-scale company and employee data enrichment

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Side by side

Feature	OOpenGTM 9.2/10 Visit ↗	Coresignal 8.8/10 Visit ↗
At a glance
Editor score	9.2	8.8
Ranking	#2 in Data Enrichment Software	#6 in Data Enrichment Software
Best for	Open-source enrichment waterfalls and workflows	Large-scale company and employee data enrichment
Pricing model	Free	Paid
Starting price	Free plan	$49/mo
Free plan	✓ (best)	—
Free trial	—	7 days
Deployment	Self-hosted, Browser extension	Cloud, Browser extension
Platforms	Web, Chrome extension	Web
Support	Docs	Email, Docs
Integrations	10 integrations	9 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features OpenGTM 3/3 · Coresignal 1/3
API access	✓	✓
CRM sync	✓ (best)	Not checked yet
Waterfall enrichment	✓ (best)	Not checked yet
Specs
Enrichment types	email, phone, firmographic, technographic, hiring, social, identity	Not checked yet
Monthly credits	Not checked yet	Not checked yet
Data freshness	Not checked yet	Not checked yet
Our review
Pros	Sequential waterfalls with provider ordering and confidence-based early exit Broad enrichment across contact, company, social, technology, and buying signals REST API, MCP, webhooks, n8n, CRM, spreadsheet, and sequencer outputs	907M+ professional profiles with company, employee, and job data Hundreds of filters, technographics, intent, and hiring signals APIs, webhooks, bulk downloads, and real-time data updates
Cons	Requires users to run the software on their own infrastructure Users must supply provider keys for connected enrichment and AI services Third-party enrichment and AI charges are paid separately to providers	No free plan for ongoing access Credits and allowances vary substantially by plan Professional email data excludes telephone numbers
Our verdict	OpenGTM is an AGPLv3-licensed, self-hosted GTM platform for sourcing leads, enriching company and contact records, researching accounts with AI, tracking buying signals, and routing results to sales tools. It is aimed at teams that want… Read the review →	Coresignal provides public-web business data for sales technology, investment, HR technology, market research, and related teams. Its datasets cover companies, employees, job postings, technologies, and intent signals. Teams can search and… Read the review →

Strengths and trade-offs

• OpenGTM — where it wins

  • Sequential waterfalls with provider ordering and confidence-based early exit
  • Broad enrichment across contact, company, social, technology, and buying signals
  • REST API, MCP, webhooks, n8n, CRM, spreadsheet, and sequencer outputs

  Where it doesn't

  • Requires users to run the software on their own infrastructure
  • Users must supply provider keys for connected enrichment and AI services
  • Third-party enrichment and AI charges are paid separately to providers

• Coresignal — where it wins

  • 907M+ professional profiles with company, employee, and job data
  • Hundreds of filters, technographics, intent, and hiring signals
  • APIs, webhooks, bulk downloads, and real-time data updates

  Where it doesn't

  • No free plan for ongoing access
  • Credits and allowances vary substantially by plan
  • Professional email data excludes telephone numbers

• OOpenGTM9.2/10 · Free plan

  A flexible open-source choice for enrichment waterfalls, AI research, and workflow routing.

  Visit OpenGTMFull verdict →
• Coresignal8.8/10 · 7-day trial

  A broad, API-ready enrichment platform for large-scale B2B data workflows.

  Visit CoresignalFull verdict →