Once again, with Mario’s permission, I bundled the latest revision of HDSDR to be run on OSX. I also created a new rtl_sdr launcher that should be more stable, easier to use and that incorporates the bleeding edge version of librtlsdr.
I tested this on Yosemite, El Capitan and Sierra. My CPU is a quad i7.
Here is a quick vhf/hf demo that I run using my rtl-sdr.com v3 dongle in direct sampling mode:
Latest Release: March 2nd 2017