10 best content planning tools for agencies & multi-brands in 2026

If your team is still managing content in spreadsheets or handling multiple planning tools to get one post approved, more hustle won’t solve a content workflow problem. For agencies and multi-brand marketing teams, a broken workflow compounds fast: missed deadlines, approval bottlenecks, and no single source of truth across channels. I’ve spent over a decade in SaaS content and social media management, and evaluated the best content planning software.