JavaScript/HTML5/CSS3

JavaScript/HTML5/CSS3

Modern front-end developement

Typekit
easy way to use commercial web font on your site.
FitText
A jQuery plugin for inflating web type
Trunk8
Trunk8 is an intelligent text truncation plugin to jQuery. It will cut off just enough text to prevent it from spilling over
bacon
bacon is a jQuery plugin that allows you to wrap text around a bezier curve or a line.
CSS Typography cheat sheet
Small roundup on CSS features that will enhance your web typography.
Browser Shots
tests compatibility in almost every browser.
codepen
codepen is an HTML, CSS, and JavaScript code editor right in your browser with instant previews of the code you see and write.
site44
turns Dropbox folders to websites
Backlift
Work in your Dropbox using your favorite editor. When you save your files, your website will automatically refresh.
Smush.it
uses optimization techniques specific to image format to remove unnecessary bytes from image files.
JPEGmini Photo Server
JPEGmini Photo Server is an image optimization server which runs on Amazon EC2 (commercial).
TinyPNG
Advanced lossy compression for PNG images that preserves full alpha transparency.