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.

Gephi - Gephi is an open-source software for visualizing and analyzing large networks graphs.

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!

Linkurious - Search and visualize your graph data through a simple web-based interface

Google Forms - Simple web forms from Google.

Cytoscape - Cytoscape Official Web Site