Compass.app is written in Java (JRuby), and works in mac, linux and pc. You do not need to install Ruby environment to use it.
Compass.app has been tested in:
Compass.app is written in Java (JRuby), so you must install JRE(Java Runtime Environment) first. If you do not have JRE installed, Compass.app will guide you to install it first.
You can buy Compass.app from our official site. Once you bought it, We will send an email with download links to your PayPal's email address. You will also get 1.x updates for free.
Compass.app is GPLv2 licensed because we love open source so much. The source code is available on GitHub. You can build it your own, or even modify it based on your needs.
There is no need to install Compass.app. You can just unzip and put it anywhere. You can even use Dropbox to sync between computers.
Next: Getting Started