Twin

Twin is a local first AI buddy that floats on your Mac desktop: it remembers your day, catcheTwin is a free, open source buddy that floats on your Mac. It catches you up on texts, remembers your calendar, talks back by voice, and nudges you before you forget. Your data lives in a local DuckDB file. Bring your own Claude, GPT, Gemini or Grok key.s you up on your texts, talks back by voice, and nudges you before you forget, all on-device with DuckDB. No cloud, no accounts.