DR 41Tolaria is an open-source note-taking app that organizes notes as Markdown files with YAML frontmatter, offering native relationships, Git integration, local agents, and direct AI model providers. It features a block-based editor with wikilinks, whiteboards, and media previews, plus a fully integrated Git client for version control. Designed for AI-assisted development, it supports CLI coding agents and local or API model providers for chat over note context. Free forever, no account required.