A free design course to encourage programmers/hackers into developing solid design skills, but most of the content is relevant to anyone wanting to improve their design skills (covers design in general including industrial design, web design, UX, etc). Some excellent resources are already available.
"An easy to follow design course for hackers who do amazing things.
Receive a design lesson in your inbox each week, hand crafted by a design pro. Learn at your own pace, and apply it to your real life work - no fake projects here."
"Teens are (over)confident in their web abilities, but they perform worse than adults. Lower reading levels, impatience, and undeveloped research skills reduce teens' task success and require simple, relatable sites."
Possible the quickest and easiest way to create a simple, text-based website. Great for giving quick instructions to pupils, and colleague or a supply teacher.
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
Identify HTML-color code of any pixel on the screen with single-click and auto paste it to the clipboard. Great way to teach students about identifying colors for graphics.