Present version: 0.3.1, Feb 11, 2007. Please see the links from new replies.
And your suggestions are very important for me to improve those diagrams.
I am a PhD student and also a Ubuntu fan. I drew for my lab notes in the beginning. Actually, some diagrams are good for high school students.
It contains basic tools like beakers, flasks. And also some combinations like how to set up distillation. My English nickname is One Dollar, so I call it: One Dollar's tools. This is just version 0.2.1. I am still leaning more skills and drawing more diagrams. In the future, I will realize version 0.4, 0.6, 0.8 and 1.0 in December.
I release it by GNU Free Document License. No restrictions for non-commercial uses. If you like those diagrams, please forward them to your friends.
Most drawing work has been done in B2D Linux and K/Ubuntu with OOo 1.9 ~ 2.0.4
The present version is: 0.2.1 (Jan 28, 2007)
For downloading the file in PDF (0.2.1)
For odg file (0.2.1)
jeecol = one dollar