script editors
PhpStorm (an incredibly powerful editor for html, css and javascript)
online scripting and testing environments
jsfiddle
collabedit
Processing
download and documentation
Core Web Languages
xhtml
w3schools
css
w3schools
a list apart
BlueRobot
glish
javascript
w3schools
jquery
d3.js
processingjs
canvas
w3schools
diving in
Advanced Web Languages
php
mysql
Advanced Programming (3d and Mobile)
Linguistic Tools
concorder (text analysis)
RITA
Natural Language Toolkit
Inform
Wordnet