OmniGraffle for Mac
From the website:
OmniGraffle is a comprehensive, yet easy to use diagramming and drawing application. Drag and drop to create wireframes, flow charts, network diagrams, UI mockups, family trees, office layouts, and more. OmniGraffle 7 comes with plenty of features to get started in Standard. OmniGraffle Pro has everything in Standard, plus features suited specifically for folks that make a living designing or working with graphics—things like Shared Layers, Artboard Layers, Non-Destructive Shape Combinations, Blending Modes and Fill Effects, Visio support, SVG export, and more.
Weaknesses:
Price - even their educational license for students costs $89.99. They do offer a free trial, but it only works for 14 days
Compatibility - not easy to transfer projects to other platforms (i.e., Visio)
Learning curve - many reviews complain that it is difficult to learn how to use
xSort for Mac
From the website:
Visual environment simulating a table with cards (and outline view).
Supports open, semi-open and closed exercises.
Supports sub-groups (participants can put groups inside groups).
Control every aspect of the exercise(sorting type, cards placement, etc.).
Statistical results (cluster tree, distance table, etc.) updated in real time.
Displays individually all the info related to an individual session.
Easily select the sessions you want to use based on different criterias.
Create, read, print and export reports with a single click.
Lock the document so that a participant may do only one session.
Fully integrated with Mac (Intel and PowerPC-based Macs).
Price - Free
Weaknesses:
32-bit only (does not work with latest version of MacOS
No support
Has not been updated in years
PowerMapper Desktop
From the website:
Platforms - Macintosh and Windows
Webcrawl - Automatically maps websites
Agnostic - Works in-browser and on the cloud
Light system requirements - works well on older computers
Weaknesses:
Price - $150 per license and no educational license is offered, updates require annual subscription of $37.25
Limited use - primarily designed for website analytics