Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
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.
Calculist - The open-source, web-based thinking tool that facilitates effective thinking for solving problems.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.
Google Forms - Simple web forms from Google.