# Curie Curie is a private, lightweight synchronization plugin designed to connect your vaults to your self-hosted **[Project Curie](https://github.com/Datronizer/project-curie)** backend. > [!IMPORTANT] > **Prerequisite: Self-Hosted Server** > This plugin is not a standalone sync service. It is designed specifically to synchronize notes and attachments with a self-hosted instance of [Project Curie](https://github.com/Datronizer/project-curie), an open-source, filesystem-based hybrid datalake and metadata server. You will need a running Curie server instance to use this plugin. --- ## Key Features - **Self-Hosted & Private**: Your notes stay under your complete control on your own infrastructure. - **Transparent Filesystem Storage**: Notes on the server live as standard Markdown files and attachments in the filesystem—no database locks or proprietary formats. - **Bidirectional Background Sync**: Automatically tracks local modifications and synchronizes changes with the Curie server. - **Side-by-Side Conflict Preservation**: If concurrent edits collide across devices, Curie preserves both versions side-by-side (`Note (Conflict from