What makes PDF (Portable Document Format) unique is that it can provide an exact electronic replica of any document from any application on all major platforms, including all text, graphics and fonts. It’s an amazingly flexible format with a myriad of uses ranging from electronic manuals and e-books, through secure document exchange and archiving, to multimedia presentation and high-end commercial print.

When you think of photo editing, the chances are you think of Adobe Photoshop. However, the majority of non-professional users don't need Photoshop's high-end power and can't justify its cost. That's where Paint Shop Pro (PSP) comes in. Its low price is definitely its initial attraction, but that has never stopped it aiming high. At times, as with version 6's introduction of vector layers, it has even left Photoshop trailing behind. However, version 7's minor fiddling was a serious letdown and as time passed, it began to look as if PSP had run out of steam. Version 8, though, shows this isn't the case.You begin to realise how fundamental the overhaul has been as soon as you load the application.

Improved media handling, Flash video support and greater interactivity see Captivate extend into new areas of training.

Improved handling of templates, tracing, text and layers along with new table support, but ultimately X4 disappoints

Improved interface and drawing capabilities, new photo matching and hand-drawn effects – and it’s still free

A new interface, smart albums, guided editing and photo merging keep Photoshop Elements ahead of the pack

Best-of-breed photo management, editing and sharing with great usability and value.

Best-of-breed photo management, editing and sharing with great usability and value.

Microsoft prepares to march into Adobe territory with its forthcoming suite of graphics and web development software.

Efficient photo management and sharing, but let down by some surprisingly underpowered editing.

For a new release, Snapfire already looks old-fashioned and unexciting, but at least the basic version is free.