Running a digital marketing agency often feels like an exercise in software juggling. On any given Tuesday, an account manager might log into a sales pipeline tool to check on a prospect, jump into a board-based task tracker to review creative deliverables, open a spreadsheet to verify retainer hours, and hop onto Slack to field an urgent client question. This fragmented approach—often referred to as the “Frankenstack”—is common across SEO shops, performance marketing teams, and creative boutiques alike. As agencies scale, this patchwork of disconnected applications starts showing severe cracks: client context falls through the cracks, billable hours go untracked, and teams spend more time updating management tools than executing client strategy. To solve these bottlenecks, agency owners typically evaluate three categories of business software: Customer Relationship Management (CRM) platforms , Project Management (PM) software , and Agency Operating Systems (Agency OS) ....