Here is the list of some notable CAT tools out there: http://en.wikipedia.org/wiki/Computer-assisted_translation#Some_notable_CAT_tools

Find below the ones that run native in OS X (some might require Java), not online or via a virtual machine:

OmegaT

• Free
• http://omegat.org/

Open Language Tools

• Free
• https://open-language-tools.java.net/

Wordfast

• 500 EURO (Studio Version)
• http://www.wordfast.com/

CafeTran Espresso

• 200 EURO
• https://www.cafetran.com/

Swordfish

• 260 EURO
• http://www.maxprograms.com/products/swordfish.html

Heartsome (TMX Editor)

• Free
• https://github.com/heartsome/tmxeditor8