Rowboat at 14.7K Stars: Open-Source AI Coworker Builds Persistent Knowledge Graphs From Email, Meetings, and Voice Memos

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rowboatlabs/rowboat maintains 'long-lived knowledge' in an Obsidian-compatible Markdown vault rather than reconstructing context on demand. Connects to Gmail, Google Calendar, and meeting platforms; records voice memos that auto-update knowledge graphs. Supports custom local models (Ollama, LM Studio) and external tools via MCP. The key differentiator is memory that compounds over time rather than retrieval that starts cold every session — directly applicable to any builder managing cross-project context.