Question: Is there an open-source solution that allows me to self-host a document sharing infrastructure with AI-powered features?

For an open-source option to self-host a document sharing system with AI smarts, Papermark is a good option. It's a secure, customizable way to share documents with real-time analytics, AI-powered chat and self-hosting. Papermark has several pricing tiers, including a free option, so it should be adaptable to your needs and budget.

Another strong contender is Bit.ai, an AI-infused document collaboration tool. It's got real-time collaboration, advanced design abilities and powerful search. Bit.ai also has features like interactive living documents, AI-boosted writing and detailed tracking abilities, so it's a good all-purpose tool for collaboration and document management.

If you want a productivity assistant with AI smarts, Quivr is worth a look. Quivr has a unified search engine for documents, tools and databases, and uses AI to provide private and local alternatives to other AI models. It can handle lots of file formats, apps and databases, and has various pricing tiers.

For creating and maintaining knowledge bases, Document360 is a good option. It's got an advanced editor, powerful search and AI-powered suggestions, which makes it good for technical writers, customer support teams and programmers. With more than 120 integrations and a starting price of $0, Document360 is geared to help you work more efficiently and get your documentation in order.