What is Linnæus
Linnæus is an application/interface (by Fabien Olivry) for creating a categorization (classification) type of interactive exercises using a javascript file (Drag and drop to columns - quiz script) from www.dhtmlgoodies.com (by Alf Magne Kalleland).
My contribution
I used the latest (as of 20 Oct. 2013) version of the javascript file and created my own source file. The script is slightly modified - some code that is not used in the exercise is removed, added navigation buttons, rounded corners and dropshades, fluid design. There's a hard-coded 'Back' button! Although the look and feel is partly based on Hot Potatoes, the exercise is not created with Hot Potatoes, but Linnaeus!