Material Palette - Generate and export your Material Design color palette
clipboard.js - clipboard.js provides an approach to copy text to the clipboard with No Flash and No frameworks.
Color Hunt - Curated collection of beautiful colors, updated daily
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Fancybox - fancyapps.com - Fancy App Store