- Sketch | The designer’s toolbox
- CSS responsive web design | Edge Reflow CC (Preview) | Edge Tools & Services | Adobe & HTML
- Macaw | The code-savvy web design tool.
- Origami - Design prototyping with Quartz Composer
- NoFlo | Flow-Based Programming for JavaScript
- Easel - Web design in your browser
- Designing in the Browser ver. 1.0 RC // Speaker Deck
- Glifo - Create icon Web fonts with Photoshop
- Ui Parade Store - We make tools and resources with ui designers in mind.
- Skala Preview, a Mac app by Bjango
- Simple version control for designers - LayerVault
- “Reading Is Fundamental Element Collages,” an article by Dan Mall
- Our New Responsive Design Deliverable: The Style Prototype | Sparkbox | Web Design and Development
- Product Style Guide, Visual guidelines for Salesforce1
- KSS: Living Styleguide
- Stylify Me - Online Style Guide Generator