Date: 10 August 2019
https://color.adobe.com/create - Create color palette from images.
https://developer.apple.com/design/human-interface-guidelines/macos/visual-design/color/ - Apple's Design guideline on color. Also a great set of default colors.
https://www.colourlovers.com/palettes/most-loved/all-time/meta - One of the best selection of color palettes
https://coolors.co/ - Generate Random color palette with lockable colors
https://uigradients.com/ - Nice Gradients that can be used immediately
https://fonts.google.com/ - A great place to discover and use freely available fonts
https://www.dafont.com/ - Another site with tons of fonts but some may be proprietary
https://open-foundry.com/fonts - A collection of the best freely available fonts
https://indestructibletype.com/Jost.html - Jost. My favorite geometric font. Free to use.
https://dotcolon.net/ - A few fonts with almost no restrictions. cc0.
https://fontforge.github.io/en-US/ - A font editor. Create and modify fonts. FOSS.
Frontend Sexy by rava-dosa - A gist with design resources by rava-dosa
https://www.flaticon.com/ - A large collection of free to use Icons. (Attribution is necessary)
https://fontawesome.com/icons - Another huge collection of Open Source Icons
https://fontawesome.com/icons - Icons of material design. Great for UI elements. Also free to use.
https://feathericons.com/ - A refined set of line icons. One of my favorites.
https://greensock.com/svg-tips/ - Animating SVG with GSAP
https://developer.mozilla.org/en-US/docs/Web/SVG/Element/animate - Animation element documentation on MDN
https://animejs.com/ - A super cool JS animation library.
https://zzz.dog/ - A cool 3D JS library.
https://www.cssdesignawards.com/ - A set of awesome sites to take inspiration from.
https://www.behance.net - The place for designers to create portfolios. A great place to take inspiration for anything design.
https://github.com/gztchan/awesome-design - The awesome list for design.
https://www.awwwards.com/ - Another website curating awesome website design.