- Sustainable Test-Driven Development, a presentation by Steve Freeman, author of Growing Object-Oriented Software Guided by Tests. There are some good points about how to structure your tests.
- jQuery 1.4: What you need to know, presentation (HTML5 website). The presentation contains some live examples you may try. Highly recommended for jQuery fans.
- JavaScript: The Bad Parts. Excerpt from Crockford's excellent book. Prepare for some real horror.
- yUML, a quick way to whip up those UML diagrams. It uses nifty little syntax based on which it renders the actual diagram.
- GUIMark 2: HTML5 vs. Flash benchmark.
- latexlab, LaTeX for Google Docs. Yes, it's great!
- Algorithmic Graph Theory, free book.
- Khan Academy, free education. Plenty of math.