§ I — The Catalogue

Research

Investigationes fontium

Tools for prompt research, source discovery, and citation-focused analysis across AI search workflows.

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Specimens
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Featured
53
In directory
Adobe LLM Optimizer logo

Adobe LLM Optimizer

Citation Optimization

Enterprise GEO platform focused on recommendations, deployment, and business impact.

Pricing

Base

1,000 prompts/year

Features

  • GEO scores, AI search share of voice, and citation tracking
  • Technical recommendations including structured data and crawler accessibility
  • On-site and off-site content suggestions for improving LLM inclusion

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ZipTie logo

ZipTie

Citation Optimization

Affordable AI search checks paired with data summaries and content optimization.

Pricing

Basic

$69/mo

Standard

$99/mo

Pro

$159/mo

Features

  • Tracks Google AI Overviews, ChatGPT, and Perplexity
  • Monthly AI search checks by plan
  • AI data summaries for competitive analysis

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LLMrefs logo

LLMrefs

Citation Optimization

All-in-one AI visibility tracker with strong citation and geo-targeting coverage.

Pricing

Base

€79/mo

Features

  • Track 500 prompts for mentions, sources, and fan-out queries
  • Covers ChatGPT, AI Overviews, AI Mode, Gemini, Claude, Grok, Copilot, and Meta AI
  • Weekly visibility reports and citation tracking

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AIclicks logo

AIclicks

Citation Optimization

AI visibility tracking with prompt capacity, daily refreshes, and AI blog generation.

Pricing

Base

$79/mo

Features

  • Daily prompt refresh across supported AI engines
  • Starter tracks ChatGPT, Perplexity, and Gemini
  • Higher plans add Google AI Overviews, Claude, and Grok

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Geoptie logo

Geoptie

Citation Optimization

Transparent GEO audits, monitored prompts, and content analysis with free trial access.

Pricing

Starter

$41/mo

Professional

$83/mo

Enterprise

$166/mo

Features

  • 14-day free trial on all plans
  • GEO audits with answer quality, citation authority, and technical scoring
  • Unlimited audit reports and content analyses

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