Tools

Storyspace:  An excellent tool for developing flowcharts and interactive narrative structures.  See the review by RMIT academic, Adrian Miles about how its used for hypertext in media. Available for Windows and Mac.

OmniGraffle:  This tool can be used for a variety of IA tasks - including conceptual designs for interfaces, wire frames and navigation charts.  Easy to use, and exports to a number of formats. Available only for Mac OSX.

Resources

Yahoo User Interface Library
A collection of design patterns, javascript, html and CSS for developers to implement sound user interfaces

Wireframes
A blog devoted to the practice of wire-framing

Information & Design Usability Resources
A detailed collection of usability resources from an Australian consultant

Usability.net
European Union project to improve usability

UI Patterns

IA One Sheeters
A collection of explanations and promotional collateral for information architects

Quince UX Patterns Explorer
A collection of user interface design patterns, presented in an interactive environment

Usability Book of Knowledge

Usability.gov
The United States’ public resource for improving usability

Rosenfeld Media
The publishing company of Louis Rosenfeld, specialising in IA and UX publications

Welie Patterns in Interaction Design

Information Research
Information Research, is an open access, international, peer-reviewed, scholarly journal, dedicated to making accessible the results of research across a wide range of information-related disciplines. It is privately published and edited by Professor T.D. Wilson. It is hosted, and given technical support, by Lund University Libraries, Sweden. Editorial support is provided by the Swedish School of Library and Information Science, Gothenburg University and Högskolan i Borås.

Australian Information Architecture Related Associations

UX Australia Conference
The premier gathering for all Australians practicing or interested in Information Architecture.

Oz-IA 2008
The Australian IA conference of 2008

Information Architecture Institute
The global body devoted Information Architecture.

Usability Professionals Association