KanbanMail takes your inbox from a confusing mess and turns it into a clear action plan!
KanbanMail has gone through lots of improvements and optimizations throughout the last year. If you are looking for a way to optimize your email workflow, you should give it go.
Sortd - Rated the #1 App for Gmail
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Kanmail - An email client that works like a kanban board.
EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.