The 4.2.8 version of LightBlue for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The latest version of LightBlue can be downloaded for Mac OS X 10.8 or later.
LightBlue for Mac is categorized as System Tools. This free software for Mac OS X is a product of Punch Through. The following version: 1.2 is the most frequently downloaded one by the program users. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
LightBlue can test all of your devices that use Bluetooth 4.0 Low Energy (also known as Bluetooth Smart, or Bluetooth Light).
Full support of read, write, and notify is included.
Use this to test your new BLE Heart Rate Monitor, temperature sensor, TI CC2540 Keyfob, Nordic uBlue, Panasonic PAN1720, etc.
Developers can use LightBlue to test the hardware or firmware of their BTLE peripherals.
You may want to check out more Mac applications, such as Light Blue, which might be related to LightBlue.