Integrate with Gitfox
Make JuxtaCode the diff and merge tool for Gitfox.
Required setup
Install the juxta command
Choose the instructions for your version of JuxtaCode.
Direct version
In JuxtaCode, choose JuxtaCode → Command Line Tool…, then select Install….
App Store version
Download the juxta installer and run the package.
In the installer, make sure Set Default Git Diff/Merge Tool is selected on the customization screen.

Then, in Gitfox, go to Settings → Integration and set both Difftool and Mergetool to JuxtaCode.
