Drag is an app that organizes your inbox and transforms your Gmail into organized lists like Trello. Designed to be super-simple, clean, and self-explanatory with features such as customized columns, notes, checklists and team boards. It's all easy to use and in a really clean way.
Drag doesn't want to override the way you use Gmail but instead support the current way you use Gmail. The app enables you to visually map your workflow, drag and drop your emails between stages; To Do, Doing and Done until they’re complete. It makes the hours spent in your inbox a whole lot easier and more organized. https://www.dragapp.com/