The Web Style Guide, 3rd edition, from Yale University Press is an essential read for any beginning web developer or designer.
Audacity is a free, cross-platform sound editor.
Notepad++ is a free, Windows-only text editor offering syntax coloring, line numbers, and other programmer-centric features.
TextWrangler is a free, Mac-only text editor with advanced features such as regular expression find and replace, syntax coloring, line numbering, etc., making it an excellent free choice for programmers.
G.I.M.P. is an open source, free, cross-platform alternative to commercial image editing software.
The R Project provides a comprehensive, free, open source statistical programming language and environment based on the S language. R is the name of both the language and the environment in which you generally use the language. It’s an interactive environment where the commands you enter generate immediate results that you can use to guide your analyses.
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