Flow-e is a visualization layer on top of your Gmail or Outlook inbox. It provides an elegant Kanban-like workflow that's combined with the ideas behind Inbox Zero and GTD. Flow-e eliminates the need of external task management tools and transforms your inbox into a central To Do app.
Bring - Clever shopping - simple and shared
KanbanMail - A Kanban board for your emails.
Google Shopping List - Google Shopping List is a grocery list and recipe manager app that helps you to get organized and save time.
Sortd - Rated the #1 App for Gmail
KitchenOwl - KitchenOwl is an application that makes grocery lists and recipe management easy.
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)