Dribbble 2015 Year in Review - Everything awesome at Dribbble in the year 2015
Pricing Page Teardown from ProfitWell - Data and banter behind the best (and worst) pricing pages
UI Jar - Hand-picked design inspiration for your real life projects
SaaS Pricing Page eBook - Learn from the best practices of over 270 top SaaS companies
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Stripe Billing - A set of tools for billing and subscriptions