1. https://www.designbetter.co/design-systems-handbook
    07-03-2019

    Design Systems Handbook: Learn how you can create your design system and help your team improve product quality while reducing design debt.

  2. http://javascript.info
    07-03-2019

    The Modern Javascript Tutorial, how its done now. From the basics to advanced topics with simple, but detailed explanations. Main course contains 2 parts which cover JavaScript as a programming language and working with a browser. There are also additional series of thematic articles.

  3. www.buildwithreact.com
    07-03-2019

    a periodical of tutorials and advanced articles for the react.js library. If youre new to React, this site has a really good interactive tutorial.

  4. https://css-tricks.com/svg-path-syntax-illustrated-guide/
    07-03-2019

    an illustrated guide to using the SVG path element.

  5. https://checklist.design
    07-03-2019

    a comprehensive list of UI elements and states to ensure you have the baseline for a satisfying user experience

  6. https://zellwk.com/blog/nunjucks-with-gulp/
    07-03-2019

    How To Modularize HTML Using Template Engines and Gulp This article walks you through using the template engine Nunjucks and the task runner Gulp to do some modular HTML.

  7. http://animista.net
    07-03-2019

    On-demand CSS animations. Play around til you get what you want, then export to CSS for your project!

  8. https://learnjavascript.online
    07-03-2019

    learn Javascript from scratch in an intuitive environment. First 40 lessons free.

  9. https://zellwk.com/blog/rem-vs-em/
    07-03-2019

    REM vs. EM: a nice explanation on these two units, and how you can use them in building modular components.

  10. http://jigsaw.w3.org/css-validator/
    07-03-2019

    The W3C CSS Validation Service: check the validity of your CSS (or HTML with CSS).

  11. http://validator.w3.org/
    07-03-2019

    The W3C Markup Validation Service: check the markup of web docs in HTML, XHTML, SMIL, MathML, etc.

  12. https://css-tricks.com/specifics-on-css-specificity/
    07-03-2019

    Specificity of css selectors can get confusing. This article explains how it works.

  13. https://zendev.com/ultimate-guide-to-learning-css.html
    07-03-2019

    This article is intended to be a resource for learning, finding the best resources around to learn each area of CSS. Topics are arranged in an order that makes sense for learning from scratch. So if youre brand new to CSS, you should be able to start at the top and work downwards, gradually increasing your understanding.

  14. https://css-tricks.com/almanac/
    07-03-2019

    a reference guide to the many features of CSS.

  15. http://learnlayout.com/
    07-03-2019

    this site teaches the CSS fundamentals that are used in any websites layout.

  16. https://wizardzines.com
    07-03-2019

    Programming and CLI "zines"

  17. https://www.sitepoint.com/object-oriented-javascript-deep-dive-es6-classes/
    07-03-2019

    Object-oriented JavaScript: A Deep Dive into ES6 Classes

  18. http://www.pixelmob.co
    07-03-2019

    royalty-free images from multiple sources, including Unsplash, Pixabay and Pexels.

  19. https://addyosmani.com/resources/essentialjsdesignpatterns/book/
    07-03-2019

    Learning JavaScript Design Patterns (free web version)

  20. http://www.softouch.on.ca/kb/data/Atomic%20Design.pdf
    07-03-2019

    the book on Atomic Design written by Brad Frost.