Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Google Forms - Simple web forms from Google.
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.