surveylab.com is a professional survey software and questionnaire tool that supports survey creation, automates response collection and provides real-time reports and advanced data analytics. The system is a web application and no additional software expect web browser is needed to use it. System offers mobile app (Android, iOS), multi-language support, multi-user accounts, enhanced security (including GDPR compliance) and many more.
I really like WoltLab, they have a great Forum and the community is generally really nice The customer support is also awesome
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
iWadi - Take online paid surveys. Help your favorite brands and earn money online with iWadi online survey panel. Sign up for free.
phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
MyPanelLab - Just sign up, take paid surveys and earn money online. mypanellab.com is the easiest way to make money online. Earn up to 5 USD for a single survey. Sign up for free.
Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and 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.