Dan Keldsen's Library tagged pattern_library →  View Popular, Search in Google

Every time I look at Christopher Alexander's "A Pattern Language" - I'm struck by how much you can apply these patterns to just about anything.

This in particular sounds eerily TRIZ-like, and very much like modern Agile Software Development. Don't "freeze/stiffen" the development too soon, or make it too rigid, or you end up with inappropriate solutions for usage that you can't anticipate up front.

patterns pattern_library pattern_language agile_development TRIZ

Another pattern library for web design, found this via Yahoo's new Design Pattern Library (and UI Pattern Library)

IxD VisibleArea IA information_architecture patterns pattern_library

free for the taking, but mind the license - BSD-style

ajax design interactiondesign usability webdesign webdev IA information_architecture yahoo! design_pattern pattern_library