Simile Timeplot - Standalone version
However, it suffers from a small problem: it's a pain in the neck to install locally and/or hack on. It also loads up a number of files.
This project is an effort to track their work as closely as possible, and at the same time provide an easy-to-install version.
I use it like so:
rake install TARGET=/home/davidw/workshop/langpop/public/timeplot
And then like this, in my HTML files:
Or, for the compressed version:
David N. Welton - www.dedasys.com