Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
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!
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
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.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
Google Forms - Simple web forms from Google.