Here are some really good resources to get your creative design juices flowing.

Web Design Galleries

• AWWWards
• CSS Garden
• HTML Inspiration
• Minimal Websites
• One Page Love
• Site Inspire

Google

• Google Design
• Material Design Guidelines

UX Patterns

• Call to Idea a nice repository of ux patterns.
• Capptivate a kinetic pattern library that captures and preserves delightful iOS animations.
• Little Big Details
• UX Porn for ux designers. The place to find wireframes templates, ui design patterns and more.

Templates

• Bootstrap zero the largest free, open-source template collection for Bootstrap.
• Startup Framework generator
• Black Tie - Free Bootstrap Themes

Identity/Brand Design

• Brand New opinions on corporate and brand identity work.
• Logo pond

Packaging Design

• BP&O, brand packaging and opinion.
• The Dieline, packaging design.

HTML

• Codepen.io
• CoDrops
• Cody House a free library of HTML, CSS, JS nuggets.
• CSS Deck
• CSS Flow
• Give ‘n’ Go, a curated gallery of Dribbble shots reworked as interactive CodePen pens.
• Scotch.io code on the rocks please.
• Unheap the best jQuery plugins.

Keynotes

• Speaker Deck
• Note & Point

Other

• Niice, getting ideas on demand is hard. Niice is a tool to help you find that spark.
• A collection of mobile apps