Multi Firefox Launcher makes it easy to launch more than one version of Firefox at the same time on any Mac OS X computer.
- Download two versions of Firefox and place them in the same folder, naming them differently. By default the script looks in the /Applications/Browsers folder and looks for a "Firefox 3.0.x.app" naming pattern.
- Add a new profile for each version of Firefox you've added. By default the script looks for a "ff_3_0" profile naming pattern.
- Edit "Multi Firefox Launcher" using "/Applications/AppleScript/Script Editor", updating the rootPath and ffSuffixes variables appropriately.
- Optionally, while still in Script Editor do a Save As and choosing the "application" File Format. This will let you double-click the script to run it and is perfect for dropping in your Dock.
- Double-click Multi Firefox Launcher.
- If Script Editor starts, click the "Run" button. Otherwise ignore this step.
- Pick a version of Firefox to use.
- Enjoy.
- The article that inspired me to write this script.
- A tutorial explaining how to make your Firefox icons easier to tell apart.
- An alternative to this script, written in Objective-C.
Copyright (c) 2009 Marcos Wright-Kuhns
This code is free to use under the terms of the MIT license.