Style Manual
To help you circumvent the common pitfalls that the English language brings along, Andy Taylor created Style Manual, a reference document for punctuation, style, and spelling.
A Complete Guide to Custom Properties
Everything important and useful to know about CSS Custom Properties. Like that they are often referred to as “CSS Variables” but that’s not their real name.
Dimensions.Guide | Database of Dimensioned Drawings
Introducing the Aqua Screenshot Library – 512 Pixels
HTTP Archive
jQuery - YUI 3 Rosetta Stone
Very useful when scripting for Squarespace
OWASP
Open Web Application Security Project
Bourbon Sass Mixins Library
A simple and lightweight mixin library for Sass. Bourbon is a library of sass mixins that are designed to be simple and easy to use. No configuration required.
min-device-pixel-ratio test
What’s your device’s min-device-pixel-ratio?
How To Make a Skateboard From Scratch • DIYskate.com
Detailled info on how to make your own skateboard
Network Calculators
Subnet mask calculator
The Grid System
The grid system is an aid, not a guarantee. It permits a number of possible uses and each designer can look for a solution appropriate to his personal style. But one must learn how to use the grid; it is an art that requires practice.
T+T83 Telephone Socket Wiring
Useful connection table to figure out how to wire your swiss phone soket T+T83
Create a website style guide
Search & Replace using find and rpl
Useful walkthough on how to use rpl to search and replace strings from the command line.
Home - Scalable and Modular Architecture for CSS
A brilliant and inspiring book. Not only useful, but fun to read too. Full of good tips and ideas. I love the approach.
API | Tumblr
My favourite tumblelog app on the net
All The Cheat Sheets An Up To Date Web Designer Needs: CSS3, HTML5 and jQuery
Awesome tutorials to master responsive web design
Vendor-prefixed CSS Property Overview « Peter Beverloo
60 Useful Web Developer Cheat Sheet Collection
25 Useful Html5 Cheat Sheets and Tutorials For Web Developer
11 Free Tools Important For Web Developers
Editing tips for designers
Writing makes up better thinkers. I enjoyed @cennydd's excellent blog post "Editing tips for designers"
Prefixr
Generate cross-browser CSS
10+ Google Map Javascript Resources to Kick Start Your Mapping Skill | Queness
Take a look at these if you're new at GMaps. ”10+ Google Map Javascript Resources to Kick Start Your Mapping Skill”
Beautiful Houses: Mercer Residence
Best Collection of Useful CSS Tools for Developers
The Roles Model | Accessible Rich Internet Applications (WAI-ARIA) 1.0
Handy for reference
How to Create Application Shortcuts in Google Chrome for Mac
Alternative to Fluid is you want to use Chrome to create an application shortcut