Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
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!
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
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.
MySQL - The world's most popular open source database
LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys