Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.
Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
TinyNPS - Simple NPS feedback
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Delighted + NomNom Integration - Turn your NPS responses into product insights
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free