UI Design

• Summary of UI Design Do’s and Don’ts
• A Comprehensive Guide to Mobile App Design
• iOS vs Android App UI Design: The Complete Guide
• Button UX Design: Best Practices, Types, and States
• UI Design Glossary
  

Prototyping Design Toolkits

• iOS Toolkits
• Google Material Toolkit
• Microsoft Toolkits

Device Design Guidelines

• iOS Human Interface Guidelines
• Google Material Design
• Microsoft Windows Design
• Android Standards
• Screen Sizes

UI Patterns

• Pttrns.com
• iospirations
• mobile_patterns.com
• mobbin.design
• uigarage.net
• 13 Basic UI Patterns

Icon Design

• 10 Essential Tips for UI Icons
• Small Elements, Big Impact
• Designing for UI
• The Noun Project
• Free Icons Sets

Wireframing

• Wireframe Showcase
• I Love Wireframes
• Wireframe Examples
• 5 Commandments
• Sketching Wireframes Video

More UI Design Tips

• Flat Design. History, Benefits and Practice
• Flat and Thin are In
• Design for Fingers, Touch, and People
• Mobile UX Design: Key Principles
• 8 Rules for Perfect Mobile Design
• Laws of Simplicity
• The Personality Layer
• Redesigning with Personality

Data Visualization Examples

• Visual Complexity
• Information is Beautiful
• good.is/infographics
• Infographic of the Day
• Mashable Data Vis.
• Flowing Data
• Killer Infographics
• NYTimes

Data Visualization Methods

• Visualization Periodic Table
• Edward Tufte
• Visualization Options