Zengobi has released Curio 5 (http://www.zengobi.com/curio), an
upgrade of the brainstorming and project management application for
Mac OS X 10.5 (“Leopard”). The upgrade features include a new Status
shelf for tracking your to-do items across projects, iCal
synchronization of events and to-do items, idea space templates,
collapsible mind map and list hierarchies, an Inspector bar, figure
styles, WebView figures, color-coded date adornments, beefed up
Scrapbook shelf, improved search feature, cross-project linking,
multi-touch support, plus much more.

Curio is available in two editions: Standard (US$99) and Professional
($149, $69 academia).

Curio is a brainstorming and project management application designed
to promote visual thinking. Using Curio’s innovative freeform
interface and tools, you can gather, associate, and recall your
ideas, while managing all the notes and documents associated with
your project. A 60-day demo is available for download.