InfoLogic (http://www.mathmagic.com/) has released MathMagic Personal Edition 8.6, an update of their multi-purpose mathematical equation editor for Mac OS X 10.6 or higher. The upgrade supports SVG saving, more frame types and templates, and comes with more math fonts.
MathMagic Personal is a standalone equation editor for mathematical equations and scientific symbols. It’s available for US$69 (academic licenses are $49). The software is available in a fully functional trial version for up to 50 equations.