Resources

Inspiration

CollectUI - Daily inspiration collected from daily ui archive and beyond. Hand picked, updating daily.
Inspiration UI - Inspiration UI is a community that aims to provide the best design resources for those who create for the web.
Dribbble - Show and tell for designers.
Little Big Details - Curated collection of the finer details of design, updated every day.
Inspired UI - Mobile Apps Design Patterns [iPhone]
Calltoidea - Light up your imagination!
Nicely done - Products & pattern designs inspiration.
Design Spells - Design details that feel like magic.

Freeui.design - Free UI Design for Designers.
UIGradients - Beautiful colour gradients for design and code.
FreebiesUI - FreebiesUI is an ever-growing collection of quality UI resources designed by talented creatives who choose to share their work for free with the rest of the community.
Freebie Supply - Free, high quality design resources for Photoshop, Sketch, Illustrator, Adobe XD and Figma.
UI Things - High-quality free design assets, community contributions, and open-source design materials.
Sketch App Sources - We curate hundreds of icons and UI kits for web and mobile to help you design, prototype, learn, and ideate faster.
UI Space - Thousand of great freebies. Search for an high quality and Hand-crafted freebie.
UI8 Freebies - 209 awesome design freebies to get your creative juices flowing.
Interfacer - Collection of more than 200+ free design resources.
UI Store - Free Handpicked UI Kits for your real life projects.
UI Design Daily - 1000+ open-source UI designs.
Design Gradients - The free platform of 48 linear gradients curated by designers.
Reshot - Free Icons, Illustrations & Photos [no attribution]

Color Hunt - The collection serves thousands of different hand-picked color palettes and is growing everyday.
Coolors - The super fast color schemes generator!
Picular - Google, but for colors.
ColorBox - Created by Lyft Design, Colorbox is a color tool to produce color sets.
ShadeSwash - Quickly generate shades of any color.
Poolors - Color combos most used by designers.

Font Awesome - Get vector icons and social logos on your website with Font Awesome, the web’s most popular icon set and toolkit.
Bytesize - Tiny style-controlled SVG iconset.
Heroicons UI - Set of 104 free premium SVG icons.
We Love SVG - Google Fonts for icons. Based on Webicon.
Iconstore - Free Icons by First-Class Designers.
Iconify - All popular icon sets, one framework.

Fontsquirrel - All things fonts, font-face, and webfonts. FREE, hand-picked, high-quality, commercial-use fonts, even if that means we send you elsewhere to get them.
Google Fonts - Making the web more beautiful, fast, and open through great typography.

Unsplash - A modern JSON API that surfaces all of the info you'll need to build any experience for your users.
DataFakeGenerator - Useful tool in the creation of data for use cases.
Random User - A free, open-source API for generating random user data. Like Lorem Ipsum, but for people.
Public APIs - A public list of APIs from round the web.