Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Twingate - Simply Zero Trust Network Access (ZTNA)
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
tunnelto.dev - Expose localhost to the internet with a public URL
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Expose - A beautiful, open-source, tunneling service - written in PHP