[Editor’s note: The following review is part of Macworld’s GemFest 2009 series. Every day until the end of June 2009, the Macworld staff will use the Mac Gems blog to briefly cover a favorite free or ...

Most of us are familiar with Google's web-based applications, but useful as they are, Google Spreadsheet and its perpetual-beta brethren don't yet deliver the look and feel of a desktop application.

When it comes to image editing, I’m a big fan of free and open-source Photoshop alternatives like GIMP and Paint.NET. On the other hand, I’m also a big fan of software that lives inside your Web ...