Not Apache, MySQL or Firefox, but lesser-known apps that serve a particular function very well – a Top Ten of open-source applications you’ve never heard of.

David Fearon explains how to save energy and hassle by converting your old Windows XP PC to a virtual one that you can run on your Vista machine

Stewart Mitchell delivers his verdict on the features rumoured to be ready for Windows 7, including the new kernel, multi-touch, and virtual drives.

Wondering if your neighbour can tell if you're leeching their bandwidth and see what you're doing online?

Whether you're after something small, portable and cheap - such as the Creative Zen Mozaic - or something more fully featured, we've got the latest and greatest in portable music on test. The benchmark they all try to meet is the iPod Classic, which at $300 for 80GB of storage and 45 hours of audio battery life is still the clear leader.

Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

You've been raising some big questions in the forums about 64-bit. Here's our FAQ to 64-bit Vista vs XP, and whether it's worth the hassle if you're not a workstation user, but a gamer or power user.