Khoj¶

What it is¶

Khoj is an open-source, personal AI assistant that can search through your notes, documents, and even external files to provide context-aware answers.

What problem it solves¶

It bridges the gap between your disparate data sources (Markdown notes, PDFs, GitHub repos) and a conversational AI interface.

Where it fits in the stack¶

Category: Agent / Knowledge Management / Search

Typical use cases¶

Searching through personal notes (Obsidian, Emacs Org-mode).
Asking questions about local document repositories.
Automating information retrieval for daily tasks.

Strengths¶

Supports offline, local-first operation.
Integrates with popular note-taking apps.
Features a desktop app and Emacs plugin.

Limitations¶

Indexing large datasets can be resource-intensive.
Initial setup might require some technical knowledge.

When to use it¶

When you want a unified, AI-powered search across all your personal knowledge.

When not to use it¶

For public-facing search engines or large-scale enterprise data.

Licensing and cost¶

Open Source: Yes (AGPL-3.0)
Cost: Free (Self-hosted) / Paid (Cloud)
Self-hostable: Yes

Sources / References¶

Contribution Metadata¶

Last reviewed: 2026-04-27
Confidence: high