Question: I'm looking for a personal knowledge base that integrates with multiple file formats and can be accessed hands-free.

If you want a personal knowledge base that spans multiple file formats and that you can use hands-free, Khoj is a great choice. This open-source AI copilot can ingest a variety of file formats, including PDFs, markdown, plaintext, GitHub and Notion, and can be controlled with speech-to-text input for hands-free use. It runs on multiple operating systems and offers core abilities like AI-powered search and native desktop apps, but also offers customizable and self-hosted options.

Another good option is Knowbase, a knowledge management tool that marries file storage with AI-powered chat. It can ingest a variety of file formats, including video and audio recordings, and lets you store and retrieve files by asking conversational questions. Knowbase offers a centralized library, natural language chat interface and transcription of video and audio recordings, so it's good for documenting and sharing information.

If you want a private and local AI system, Quivr offers a unified search engine across documents, tools and databases. It can handle a variety of file formats and applications while keeping data private and confidential. Quivr features include customizable GenAI models, prompt instructions and AI-powered search that's integrated with your own data, so it's a good option for a personal productivity assistant.

Last, Modelit is a general-purpose AI work assistant that can ingest information from multiple sources, including PDFs, URLs, Google Drive and Notion. It offers AI-powered chat and search, customizable templates and data security with no data retention. Modelit integrates with common tools and offers various pricing plans, so it's a good option for getting work done and managing information.