OpenGTM

OpenGTM

Self-hosted Clay alternative

Open-source lead sourcing, enrichment waterfalls, AI research, buying signals, and activation — in one self-hosted workspace. Unlike a hosted credit black box, OpenGTM shows the estimated bill before a run; your data stays on your machine and third-party calls use keys you choose.

Stack

6
  • Python
  • FastAPI
  • React
  • PostgreSQL
  • Docker
  • MCP

Capabilities

4

Clay-style workbooks

Formulas, HTTP columns, cost-ordered enrichment waterfalls, AI transforms, web research, and conditional logic — from a market, a list, or a workbook.

Bring your own keys

BYOK enrichment across email, phone, firmographic, technographic, hiring, social, and identity providers, with spend ceilings instead of credit burn.

Signals in, activation out

Audience loops with scheduled refresh and entry/exit events feed automations that send qualified records to HubSpot, Salesforce, Slack, Sheets, Airtable, Instantly, Smartlead, webhooks, and warehouses.

Agent-ready platform

REST, webhooks, and a tenant-scoped, auditable MCP server with real read/write tools; PostgreSQL RLS, scoped tokens, idempotency, OIDC, SCIM, and observable workers underneath.

Screenshots

3
  • OpenGTM — cost control
    Cost control
  • OpenGTM — source engine
    Source engine
  • OpenGTM — workbook
    Enrichment workbook
OpenGTM Info