Our team is using BitBucket for source code control and the SourceTree app for Windows to interface with our repositories. We've had a couple of small hurdles getting SourceTree to integrate with the LabVIEW diff tool, but here's a solution that's worked for us. (Credit to Paul Lotz on Atlassian's forum, https://community.atlassian.com/t5/Questions/SourceTree-external-diff-path-issue-on-Windows/qaq-p/394740)