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.

Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

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!

ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.

Google Forms - Simple web forms from Google.

GMX - GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange).