kdiff3

Install command: 
brew install --cask kdiff3

Name: KDiff3

https://invent.kde.org/sdk/kdiff3

/api/cask/kdiff3.json (JSON API)

Cask code on GitHub

Current version: 1.8.4

Analytics:

Installs (30 days)
kdiff3 455
Installs (90 days)
kdiff3 1,390
Installs (365 days)
kdiff3 3,167
Fork me on GitHub