Show HN: Learn from 30 historical figures, open source, nonprofit, self-hosted

Agora Cosmica

A Living Library You Can Talk To

Nonprofit · Open Source · No tracking cookies, no profiling

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Agora Cosmica is a Living Library for wisdom from history. Learn from thirty figures, from Marcus Aurelius to Ada Lovelace, Rumi to Frida Kahlo, each with their own researched voice and twelve wisdom teachings. The platform pairs hundreds of pre-recorded narrative episodes and multi-figure dialogues with live AI conversation. Live speech (text-to-speech and speech-to-text) runs on our own GPU servers in Germany. See all 30 figures →

30 free messages a day, no signup required. Bilingual English and German. On the path to community-driven development: anyone can vote on what gets added next, right inside the app.

Try it, no signup: agoracosmica.org

🔊 Hear the self-hosted Echo voices (AI Echoes, about 10 seconds each)

German, Qwen3-TTS: Nietzsche (Solaris) · Hildegard von Bingen (Lyra)

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