Show HN: Pensabot – second brain notes in a chat

Category: ai-ml

Tags: note-taking, personal-assistant, chatbot, self-hosted, telegram

Score: 6.8/10 (Innovation: 7, Technical: 6, Documentation: 8, Utility: 6)

PensaBot is a self-hosted AI chat interface for Telegram that acts as a personal memory system, capturing text, voice, images, and links with automatic transcription and summarization. It's interesting because it replaces traditional note-taking friction with a natural chat-based interface and uses hybrid retrieval (vector + BM25) for recall.

Target audience: individuals, developers, knowledge workers

Repository: https://github.com/albersola/pensabot · Python · AGPL-3.0

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