# Obsidian >[Obsidian](https://obsidian.md/) is a powerful and extensible knowledge base that works on top of your local folder of plain text files. ## Installation and Setup All instructions are in examples below. ## Document Loader See a [usage example](/docs/modules/data_connection/document_loaders/integrations/obsidian.html). ```python from langchain.document_loaders import ObsidianLoader ```