Astra by Cesbo - Talk to Alexa anywhere, from your iPhone
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.
Reverb - Use Alexa on your Mac, iPhone and Android
Google Forms - Simple web forms from Google.
API to bot - Convert your API to Alexa skill or Google Home app in 5 mins
Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.