I am looking for self-hosted AI implementations that I can train on emails, PDFs, and MS Office documents

OpenAI's ChatGPT, Google's Bard, Anthropic's Claude, and Microsoft's Being are all nice freemium tools, but let's be honest, we don't know what they do with our information. Especially for work-related topics we are strictly prohibited from sharing anything on those platforms, for good reasons. So I am wondering if I can find any Free, Libre, and Open Source Software that I can self-host. I want to train it on emails, meeting transcripts, PDFs, and Microsoft Office documents. What I need …

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