OpenMoji 12.0 - Open source Unicode-compliant Emojis for everyone
Wootric - Wootric is software that allows apps and websites to take customer satisfaction surveys so that you can properly gauge the popularity and success of your app through the eyes of the people using it. Read more about Wootric.
JoyPixels - Freemium set of 3,057 native emoji icons ✨
TinyNPS - Simple NPS feedback
Vector Emoji - 😍 for Sketch & Photoshop
Customerville - Net Promoter Scores on steriods