TinyNPS - Simple NPS feedback
Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.
SalesRight - Customizable interactive pricing guides for B2B SaaS sales
AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.
Delighted + NomNom Integration - Turn your NPS responses into product insights
LoopVOC - Voice of the Customer Software for SaaS Companies