I want to…

Ask questions about your documents

Let AI read your files and notes, then answer questions about them.

Our top 8 picks, easiest to start first. New to this? Start here.

AnythingLLM

A private, all-in-one AI app for chatting with your documents and running AI helpers on your own computer.

A private, self-hosted note-taking and knowledge app with built-in AI writing and question answering.

A personal AI assistant that answers questions from your own documents and the web.

Translates scientific PDF papers into another language while keeping the formulas, charts and layout intact.

A free office suite for documents, spreadsheets, slides and PDFs, with an AI helper that edits alongside you.

Lets AI answer questions from your own documents, with citations pointing back to the sources.

Builds private AI assistants that answer questions from your documents and apps, with sources.

Uses Claude Code to turn your sources into a linked, cited knowledge base of notes in Obsidian.

Project	Without coding?	Cost	Privacy
AnythingLLM	Yes	Free, with optional paid extras	Your choice
SiYuan	Yes	Free, with optional paid extras	Your choice
Khoj	Yes	See page	Your choice
PDFMathTranslate	Yes	Free	Sends what you give it to an online service
GenOffice	Yes	Free, but needs an AI account	Your choice
RAGFlow	With some setup	Free, but needs an AI account	Your choice
DocsGPT	With some setup	See page	Your choice
claude-obsidian	With some setup	Free, but needs an AI account	See page