Tally.so - The simplest way to create forms, for free.
Quizterra - Create, publish and monetize interactive content on your website. Quizterra is a functional quiz making software with great designs, wide functionality, and free embed.
Polly.ai - Capture instant feedback on Slack, Teams and Zoom with Polly
Zembula - Zembula enables marketers to create and embed interactive experiences that are optimized for conversion.
Three Cents - Quickly create polls and gather opinions from anyone
4screens - 4screens is an interactive content creation platform enabling marketers to create engaging interactive content and social experiences.