GNOME Colorscheme is a very simple application for the GNOME desktop that allows you to generate a variety of colorschemes from a single starting color.
A List Apart Magazine (ISSN: 1534-0295) explores the design, development, and meaning of web content, with a special focus on techniques and benefits of designing with web standards.
Asymptote is a powerful script-based vector graphics language that provides a natural coordinate-based framework for technical drawing. Labels and equations are typeset with LaTeX, for high-quality PostScript output.