Journal OS

AI journal that auto-builds a personal knowledge graph from your entries

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The idea

I want to build a journaling app where every entry you write automatically gets parsed for people, places, projects, and concepts — and weaves them into a visual graph you can explore. Think Roam Research but built around free-form journaling, not structured notes. The graph grows passively as you write. After 30 days you'd be able to see which topics dominate your thinking, which people come up most, and how your emotional state correlates with different areas of your life. Building with Claude Code + Supabase. Planning to use pgvector for semantic similarity.

Proposed by

Rust Petal

@rustpetal