Waitlist API - Quick and easy waitlist with built in referral.
Color Hunt - Curated collection of beautiful colors, updated daily
LaunchList - Create waitlist with referral for your product launch
Material Palette - Generate and export your Material Design color palette
Waitlisty.io - Build excitement for your product by embedding a simple form into your website. Signups will receive a referral code to share with their friends. The more codes they share, the more they climb your waitlist.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!