Website builder
https://webflow.com/
SVG animation
https://www.svgator.com
Visual design
https://www.holabrief.com/
https://www.figma.com
https://www.framer.com/
https://rive.app/
http://airbnb.io/lottie/#/
Détourage
https://www.remove.bg/
https://mondetourageamoi.fr/
https://www.nngroup.com/articles/why-you-only-need-to-test-with-5-users/
https://www.userlynx.com/
WYSIWYG landing page creator
https://unbounce.com/
AB testing
https://www.smashingmagazine.com/2014/07/roadmap-to-becoming-an-a-b-testing-expert/
https://www.smashingmagazine.com/2014/11/how-to-create-your-own-front-end-website-testing-plan/
https://medium.com/@Pinterest_Engineering/building-pinterests-a-b-testing-platform-ab4934ace9f4
https://medium.com/@Pinterest_Engineering/lessons-in-growth-engineering-how-we-doubled-sign-ups-from-pin-landing-pages-1c0bc400cdb9
Testing text
https://medium.com/@Pinterest_Engineering/how-we-increased-active-pinners-with-one-simple-trick-a157f0a527b9
https://developers.google.com/web/fundamentals/design-and-ux/animations/
https://css-tricks.com/the-importance-of-context-shifting-in-ux-patterns/
https://www.smashingmagazine.com/2013/10/smart-transitions-in-user-experience-design/
https://medium.com/google-design/motion-design-doesnt-have-to-be-hard-33089196e6c2
https://uxdesign.cc/the-ultimate-guide-to-proper-use-of-animation-in-ux-10bd98614fa9
https://css-tricks.com/getting-deep-into-shadows/
Future concept
https://mxb.at/blog/layouts-of-tomorrow/
Transitions
https://tympanus.net/Development/OffCanvasMenuEffects
https://desandro.github.io/3dtransforms/docs/card-flip.html
Parallax effect
https://scrollmagic.io
https://keithclark.co.uk/articles/pure-css-parallax-websites/
https://webdesign.tutsplus.com/categories/parallax-scrolling
https://tutorialzine.com/2015/09/6-practical-examples-for-building-parallax-websites
https://basicscroll.electerious.com/
https://keithclark.co.uk/articles/pure-css-parallax-websites/demo3/
https://codyhouse.co/blog/post/sticky-hero-section
https://css-tricks.com/an-overview-of-scroll-technologies/
Morph buttons, loading & more
https://codepen.io/shshaw/pen/EbjvbQ/
https://tympanus.net/Development/ButtonComponentMorph/index.html
https://www.outsystems.com/blog/Posts/from-design-to-code_creating-and-animating-images-with-css
https://cssanimation.rocks/twitter-fave/
https://www.digitalocean.com/community/tutorials/how-to-develope-a-creative-upload-interaction-with-javascript-and-canvas
https://www.npmjs.com/package/flipping
https://slides.com/sarasoueidan/building-better-interfaces-with-svg
https://css-tricks.com/writing-animations-that-bring-your-site-to-life/
https://codepen.io/waynedunkley/pen/mJbdZO
https://css-tricks.com/gooey-effect/ # Morph children buttons
Images search engines
http://finda.photo/
https://pixabay.com/
https://unsplash.com/
https://www.pexels.com/
http://www.stockvault.net/
https://allthefreestock.com/
https://burst.shopify.com/
https://ccsearch.creativecommons.org/
https://jaymantri.com/archive
Illustrations
https://haikei.app # shapes/patterns
https://undraw.co/
https://fresh-folk.com/
https://illlustrations.co/
https://www.blackillustrations.com/
https://usesmash.com/
https://isometric.online/
https://www.opendoodles.com/
https://icons8.com/vector-creator
https://generated.photos/ # AI generated faces
Icons
https://iconduck.com
https://thenounproject.com/
https://tablericons.com/
https://super.so/icons
https://www.flaticon.com/
https://ionicons.com/
https://material.io/resources/icons/
https://remixicon.com/
https://icons.getbootstrap.com/
https://systemuicons.com/
http://rostype.com/ # fonts
Parametric icons
https://heroicons.com/
https://teenyicons.com/
https://tablericons.com/
https://holasvg.com/icons/
Audio
https://artlist.io/
Web & mobile
http://foundation.zurb.com/
http://bulma.io/
https://getuikit.com/
http://materializecss.com/
https://getmdl.io/index.html
https://material.io/
https://ant.design/
Vuejs Ready
https://getuikit.com/
https://vuetifyjs.com/
https://primevue.org
https://element-plus.org
Vuejs Native
https://nativescript-vue.org/ # NativeScripts builds only binary apps
http://quasar-framework.org/ # Builds everywhere (even desktop) but seems web UI
https://github.com/quasarframework/quasar-awesome
App-like
http://framework7.io/
https://developer.apple.com/ios/human-interface-guidelines/overview/design-principles/
Headless
http://vuefront.com
https://www.vuestorefront.io
https://www.storyblok.com
JS ressource
https://github.com/sindresorhus/awesome
https://github.com/sorrycc/awesome-javascript
Authentication
https://webkit.org/blog/11312/meet-face-id-and-touch-id-for-the-web/
Misc
https://uppy.io/
http://createjs.com/
https://idangero.us/swiper/
https://github.com/kennethcachia/Background-Check
Visualisation, 3D & animation
WebGL
https://jeux.developpez.com/tutoriels/OpenGL/WebGL/
https://css-tricks.com/creating-photorealistic-3d-graphics-web/
https://css-tricks.com/techniques-for-rendering-text-with-webgl/
https://www.smashingmagazine.com/2017/09/animation-interaction-techniques-webgl/
https://hackernoon.com/10-javascript-animation-libraries-to-follow-in-2018-50ff1d905f43
https://popmotion.io/
https://openclassrooms.com/fr/courses/663578-debutez-dans-la-3d-avec-blender/659438-entrez-dans-lunivers-3d
Animation Techniques
https://sparkbox.github.io/bouncy-ball/
http://blog.octo.com/en/d3-js-transitions-killed-my-cpu-a-d3-js-pixi-js-comparison/
https://wattenberger.com/blog/d3 # learn D3
https://css-tricks.com/how-to-animate-on-the-web-with-greensock/
https://css-tricks.com/tips-for-writing-animation-code-efficiently/
https://css-tricks.com/lets-make-one-of-those-fancy-scrolling-animations-used-on-apple-product-pages/
https://d3js.org/
https://p5js.org/
https://css-tricks.com/creating-book-cover-using-javascript-p5-js/
http://thednp.github.io/kute.js/#
http://www.pixijs.com
https://animejs.com/
https://greensock.com/
Touch gestures
https://hammerjs.github.io/
Play with maps
http://leafletjs.com/
http://polymaps.org/
http://openlayers.org/
http://jvectormap.com/
https://openmaptiles.org/
https://www.mapbox.com/
https://www.here.com/en
http://datamaps.github.io/
https://www.graphhopper.com/
http://turfjs.org/
SVG
https://www.smashingmagazine.com/2018/11/interactive-infographic-vue-js/
https://www.synbioz.com/blog/animation-morphing-svg
https://css-tricks.com/digging-into-the-preview-loading-animation-in-wordpress/
https://tympanus.net/codrops/2019/12/03/motion-paths-past-present-and-future/
https://www.cassie.codes/posts/creating-my-logo-animation/
http://slides.com/sdrasner/svg-can-do-that#/
https://codepen.io/sdras/full/Kwjyzo
https://medium.freecodecamp.org/a-guide-to-svg-on-web-c5932dadca03
https://css-tricks.com/use-and-reuse-everything-in-svg-even-animations/
https://css-tricks.com/building-an-images-gallery-using-pixijs-and-webgl/
http://chrisdermody.com/animated-svg-loader-mydevportfol-io/
http://dynamicsjs.com/
http://snapsvg.io/
http://fabricjs.com/
Panoramic image views
https://pchen66.github.io/Panolens/
Draw things in CSS
https://css-tricks.com/drawing-images-with-css-gradients/
Tiny DOM library
https://css-tricks.com/get-references-from-html-built-with-template-literals/
http://www.quora.com/Whats-the-difference-between-UI-and-UX-design
https://www.smashingmagazine.com/2018/07/persuasion-user-experience-design/
https://heydesigner.com/blog/mental-models-in-product-design/
http://bdavidxyz.com/blog/the-simplest-landing-page/
https://designsystemsrepo.com/
https://www.reallygoodux.io/
https://darkpatterns.org/
http://ui-patterns.com/
http://uxmyths.com/
https://victoryofgoliath.com/minimum-viable-designs.html
https://digitalpsychology.io/anchoring/
https://www.coglode.com/cookbook