Show HN: Rowboat – Open-source, local-first alternative to Claude Desktop

Rowboat is an open-source, local-first desktop AI coworker for Mac, Windows, and Linux. It indexes user work into a knowledge graph, offering features like an email client with AI drafting, background agents, a built-in browser, and a meeting note-taker. Rowboat supports various AI models, integrates with popular products, and stores all data locally as Markdown, emphasizing long-lived knowledge and user control over data.