Is there a GUI for OS X LaunchAgents?

I'm a web developer by day and a lot of the software I install on my computer (namely databases and web servers) come with an optional LaunchAgent to automate starting/stopping processes on boot. I'm wondering if there's a GUI for these types of services so I can use the LaunchAgent, then kill the services gracefully. Another great feature would be if I could turn off boot on launch and just use the LaunchAgent to start/stop a service as needed.

This seems to be exactly what you are looking for: LaunchControl

Lingon (MAS link)

It provides a nice GUI for creating daemons/agents, without writing plist file by yourself. You can also use it to delete daemons/agents that you don't want.

I found this article: https://foliovision.com/2014/01/os-x-scheduling-tools

Lingon looked very slick.