Alternatives to Engineering Apps by WAGmob

Oxford Dictionary of English

Program license: Paid

A multi-platform English dictionary for Macs by developer Antony Lewis

Program license: Trial version

Free, lightweight and easy to use app for viewing DWG files without using AutoCAD

Program license: Free

XDrawChem is a lightweight sketching application for students that can draw chemical diagrams on a Mac

Program license: Free

Breeze through arithmetic, geometry, algebra, and calculus related tasks with this powerful mathematics tool