uikit A lightweight and modular front-end framework
for developing fast and powerful web interfaces.
- a really excellent code editor (free)
CodePenAllows you to write code in the browser, and see the results of it as you build.
- The jAlbum software downscales your images to web and thumbnail size.
Xara Web Designer
is an easy template-based solution that gives you page design freedom, with no HTML skills required