Daily Time Tracking - Daily shows what you have been working on and for how long. It creates accurate timesheets by asking what you are doing, so no more timers or switching tasks. Use its data to submit your hours, create invoices or simply increase your productivity.

Microsoft To-Do - Task management tool

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

Llama Life - Say goodbye to never-ending lists, and hello to daily bliss

doo - A smart, simple app for reminders and to-dos

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