StackSmithy

For agency founders and freelancers

The tools behind an AI automation agency, compared

Prices, limits and license terms for the software agencies resell and build on, each with its source and the date it was read.

Last checked

What StackSmithy covers

White-label CRM

The client-facing platform you rebrand and resell.

  • GoHighLevel

Automation platforms

Where the workflows behind each client run.

  • Make
  • n8n
  • Zapier

Voice agents

Phone agents that answer, book and qualify calls.

  • Retell AI
  • Vapi
  • Bland

AI agent builders

Agents for sales, support and back-office work.

  • Relevance AI
  • Lindy

How the figures are handled

Sourced and dated

Every figure links to the page it came from and shows the day it was read.

Basis stated

Each verdict says what it rests on: the official pages read, or an account opened.

Links labeled

A partner link says so. Every other link goes straight to the tool.

Read the evaluation method