My Daily Planner - Organize your day with pen & paper. Free printable template.

Logtime - Diary, tasks and goals. All-in-one productivity solution.

Amazing Marvin - Customizable personal productivity tool

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

FocusList - Daily planner & focus timer based on timeboxing and pomodoro

Tasks - The new task app from the team that brought us Wunderlist, Microsoft To-Do is a great way to manage tasks. List everything you need to do—or import tasks from Outlook, Todoist, and Wunderlist so you don't have to start over.