Most agency founders I know run their business out of a mess of Google Sheets, Notion pages, and WhatsApp threads. They lose leads because nothing is tracked. They miss invoices because payments live in a spreadsheet nobody updates. They waste 30 minutes every Monday just figuring out where things stand. That's the problem I set out to fix for the Replit Buildathon. The result is RevOs — a full-stack agency operating system that puts everything in one dark, fast, premium dashboard. Here's exactly what I built and how. What RevOs Does- Ten fully functional CRUD modules, all connected to a real database: Clients — full contact management with status tracking Leads — pipeline from cold to closed Projects — track deliverables and status per client Payments — log invoices, amounts, and payment status Analytics — revenue charts and pipeline overview Cold Calls — outreach log with outcomes Sales — deal tracking and close rates Events — calendar-style scheduling SOPs — internal process documentation Content —…