Do you have a need to start an app on your Mac at a particular time, or easily get it to restart after a crash or power outage? If so, Lingon 3 may be for you. It's US $2.99 at the Mac app store.
Lingon 3 can not only start an app, but it can run a script automatically at a time you specify, or if something happens on your Mac and you want something triggered as a result. An example might be to trigger an event when an external drive is connected. Here's a video that gives an example of the app being set up.
I tried the app and used it to start up a suite of things I use after I get up in the morning. It worked as expected, and the GUI allows you to specify
