Interactive NPS Calculator (by Delighted) - Calculate your NPS easily with this interactive free tool.
Emoji CSS - Add Emoji's to your website
TinyNPS - Simple NPS feedback
EmojiOne for Chrome - Finally, an emoji keyboard for the modern desktop.
NPS for B2B SaaS - NPS surveys and analytics for B2B teams
OpenMoji 12.0 - Open source Unicode-compliant Emojis for everyone