OpenSprinkler › Forums › OpenSprinkler Unified Firmware › OpenSprinkler (not OSPi!) Firmware 2.0.4 and GUI Updater › Re: Re: OpenSprinkler (not OSPi!) Firmware 2.0.4 and GUI Updater
Mac 10.8 and above introduced a security feature that disables many downloaded apps. Just turn the feature off and try again. See details here:
The GUI software is written in Processing, which uses Java. The main advantage of using Processing is that it’s easy to write code, and the application is naturally cross-platform.