Bellhop for Mac

Bellhop allows you to build Mac OS X system services using high-level scripting languages. With Bellhop, you simply write your services in one of the scripting languages, configure the service settings and then let Bellhop take care of the rest. Behind the scenes, Bellhop updates the necessary system property lists, updates the system-wide Services menu, and automatically invokes your service script when necessary.

Bellhop is fully-functional donationware; if you find Bellhop useful and would like to make a donation, you can do so via the application.