Business Process Trends – our favourite business process site from one of the true gurus (Paul Harmon). Many good resources.
Business Process Management Initiative - some useful resources. More good stuff at Management by Process.
Scrum - very popular in the USA, gaining ground the UK and Europe.
XP - the best introduction to XP (Extreme Programming) – the method that kick-started the modern agile development movement.
DSDM Atern - the leading agile method framework in the UK. Agilier is pleased to be involved in the authorship of the latest version of the framework.
RUP - probably the best-known software development process today, and paradoxically the hardest to use successfully in an agile manner.
PRINCE2 – the official PRINCE2 website. A very useful supporting site can be found here.
The Register - best for science and technical news and doesn’t take itself too seriously.
Martin Fowler - excellent resources and deep-thinking commentary from one of the giants in the field.
Joel Spolsky - idiosyncratic author, good resources.
Testing - more deep thinking, this time from a software-testing perspective.
Volere - contains many useful resources on software requirements techniques.
Cbdiforum - original thinking and a lot of free resources – registration required. Additional material is subscription only.
Success121 - many useful free business resources, targeted at independent professionals.
Bruce Schneier - forthright and opinionated thoughts from one of the world's leading security technologists.
