Flex — A FlexBox Builder.
Flex builder online
This is a guide that everyone can use to learn about the practice of front-end development.
Block style visual editor for beautiful pages
Simplifying recurring payments – PayHere
Simplifying recurring payments for startups selling products and subscriptions online
CSS Cheat Sheet
CSS Cheat Sheet - A reference for CSS goodness.
Code demonstration of SVG filters on Images
Command And Conquer - Tiberian Dawn - HTML5
The Ultimate Website Code Generator
Code snippets generator
Ultimate CSS Gradient Generator - ColorZilla.com
css gradient editor