Most GTD tools force you into yet another app. This one lives in Excel — where you already work. Capture → Clarify → Organize → Review → Engage. All in one .xlsm file. • Inbox → Next Actions → Projects → Waiting For → Someday/Maybe • Weekly Review with 7-day grid • Built-in Vault: attach & open files directly from tasks • Color-coded deadlines, smart date parser, freeze panes No subscription. No cloud. Yours forever.