HTML:
- http://sanusart.github.io/html-now/#/
- http://htmlhint.com/
- http://w3c.github.io/elements-of-html/
- http://lollyt.in/
CSS:
- http://www.css-tricks.ru/Articles/Details/VerticalCenteringCSS
- http://softwaremaniacs.org/blog/category/primer/
- http://jigsaw.w3.org/css-validator/
- http://flukeout.github.io/
- http://css3.bradshawenterprises.com/
- http://cssarrowplease.com/
- http://css3clickchart.com/#box-sizing
- http://docs.emmet.io/
- http://templated.co/
- http://enjoycss.com/
- https://www.campaignmonitor.com/css/
- http://cssload.net/
- http://www.createcss3.com/
- http://cssanimate.com/
- http://spritepad.wearekiss.com/
- http://csscomb.com/
JS/JQuery:
- http://learn.jquery.com/using-jquery-core/faq/
- http://youmightnotneedjquery.com/
- http://dabblet.com/
- http://codepen.io/pen/
- http://www.jsnail.it/
- http://bouncejs.com/
- https://cdnjs.com/
- http://instantclick.io/
- http://javascript-puzzlers.herokuapp.com/
- http://jsbin.com/?html,output
- http://jsnice.org/
- http://jshint.com/
- http://www.jslint.com/
- http://ejohn.org/apps/learn/
- http://jstutor.herokuapp.com/
- http://matthew.wagerfield.com/parallax/
- http://javascript.ru/
- http://bonsaiden.github.io/JavaScript-Garden/ru/
Верстка:
- http://blocsapp.com/
- http://psd2htmlconverter.com/ru/
- http://maxsteenbergen.com/fibonacci/
- http://fmbip.com/litmus
- http://html5up.net/
- http://cssdeck.com/
- http://materializecss.com/
Эффекты:
- http://tympanus.net/codrops/
- http://thecodeplayer.com/
- http://codepen.io/patterns/
- http://tympanus.net/codrops/2015/01/08/inspiration-text-input-effects/
- http://codepen.io/2014/popular/
Галереи и слайдеры:
- http://flexslider.woothemes.com/
- http://fotorama.io/
- http://www.idangero.us/cs/
- http://bxslider.com/
- http://jquery.malsup.com/cycle/
- http://www.jssor.com/index.html
- http://demo.dev7studios.com/nivo-slider/
- http://www.owlgraphic.com/owlcarousel/
- http://kenwheeler.github.io/slick/
- http://darsa.in/sly/
- http://swipejs.com/#
Фотостоки:
- https://www.flickr.com/explore/
- http://foodiesfeed.com/
- http://join.deathtothestockphoto.com/
- http://getrefe.tumblr.com/
- http://www.gratisography.com/
- http://magdeleine.co/
- http://www.imcreator.com/free
- http://jaymantri.com/
- http://littlevisuals.co/
- http://nos.twnsnd.co/
- http://picjumbo.com/
- http://picography.co/
- http://www.raumrot.com/10/
- http://superfamous.com/
- https://unsplash.com/
- http://publicdomainarchive.com/
Шрифты и иконки:
- https://icomoon.io/
- http://hellohappy.org/beautiful-web-type/?1
- http://brick.im/
- http://typecast.com/
- http://fortawesome.github.io/Font-Awesome/icons/
- http://fontawesome.io/
- http://www.freepik.com/
- http://genericons.com/#cog
- http://glyphicons.com/
- http://glyphter.com/
- https://icomoon.io/app/#/select
- http://ivansugerman.com/soc.js/
- http://themify.me/themify-icons
- http://google.github.io/material-design-icons/
- http://realfavicongenerator.net/
Разное:
- https://coveloping.com/
- http://tech.tmw.co.uk/code/TMW-frontend-guidelines/
- http://www.frontendry.com/
- https://www.modern.ie/ru-ru
- http://masonry.desandro.com/
- https://proto.io/freebies/onoff/
- https://projectparfait.adobe.com/
- http://punypng.com/
- http://purecss.io/
- http://pxtoem.com/
- http://lab.maltewassermann.com/viewport-resizer/
- http://validator.w3.org/
- https://coveloping.com/tools
- http://topcoat.io/
- http://tuktuk.tapquo.com/
- http://livetools.uiparade.com/
- http://apps.workflower.fi/vocabs/
- https://developers.google.com/web/starter-kit/
- https://webflow.com/
- http://www.templatemonster.com/
- http://mudcu.be/bg/