Draw and annotate various kinds of timing diagrams in Tikz.

There's no real documentation, read the source and the examples
(diagrams-examples.tex), and use at your own risks ;-).

The latest version is to be found here:

  https://gitorious.org/tikz-goodies/tikz-goodies

You may want to have a look at tikz-timing too if you want to draw
some hardware-oriented timing diagrams:

  http://www.texample.net/tikz/examples/tikz-timing/