Arensus 1.1 for Mac can be downloaded from our website for free. The actual developer of this software for Mac is Phyrum Tea. The program lies within Games, more precisely Tools.
From the developer:
Arensus Crossword Puzzle Editor can create custom crossword puzzles fully automatically using your own databases or built in clue-answer dictionaries. Puzzles can be exported as JPEG, PNG, EPS, PDF and HTML or published as Online-Game with our Crossword Puzzle Java Applet.
You may want to check out more software for Mac, such as Quiz Builder, Nostromo Array or rpgng, which might be related to Arensus.