Who Can Use - WhoCanUse is a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.
Codeplace - Learn how to code by building real web apps
Cron Color - Free web tool for designing color palettes and checking contrasts.
zeroqode - Build your app up to 10x faster with no-code app templates
Kontrast - Check and adjust web element contrast in real time.
Code4Startup - Learn Ruby on Rails, Python, AngularJS, NodeJS, React, Ionic by cloning AirBnb , TaskRabbit, Tinder, Product Hunt, Fiverr and . more.