Hotglue is an online wsywig website creation tool. allowing for easy designing of simple websites. it allows embedding of video and other websites. as part of this project we have been pushed into using this as our sketchbook. it has been adequate when it has been online.
using some custom css i managed to create a global menu i can change in one file instead of changing multiple pages all at once.
Dreamweaver is a program created by adobe that allows you to code html and see the imediate changed within a preview window. it also gives you tools upload your full website from within the program.
it gives you a visual mapping of how the website is structured such as what page links to what...
I used to use dreamweaver but i find it messes around with what you want to do so typing it out manualy is usually better.