Most marketers talk about big tools like Canva or HubSpot, but a simple text editor like Notion or even Google Docs is something people sleep on. It lets you write, plan, and organise everything in one place without switching between apps. A content calendar built inside a Google Sheet is another example. It costs nothing, but it keeps your whole marketing plan visible and easy to update. What tool do you think marketers overlook the most when it comes to staying productive?