TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.

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

Habitify - The easiest way to keep track of your habits

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

Momentum - Agile goal and performance management

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.