Lettertrace

Self-hostable, open-source AEO tool: track brand visibility, sentiment, and share of voice in AI answers.

Webfreeglobal

Lettertrace is an open-source, self-hostable tool for tracking how often AI assistants mention a brand. It auto-generates realistic prompts, runs them against Claude, ChatGPT, Gemini, Google AI Overviews, and Perplexity, then charts visibility, sentiment, and share of voice against competitors over time. Users bring their own API keys, which are encrypted at rest.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Lettertrace - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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