kdiff3

Install command: 
brew install --cask kdiff3

Name: KDiff3

Utility for comparing and merging files and directories

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

Development: Pull requests

Cask JSON API: /api/cask/kdiff3.json

Cask code: kdiff3.rb on GitHub

Current version: 1.12.4

Requirements: macOS >= 13

Versions:

Intel tahoe 1.12.4
sequoia 1.12.4
sonoma 1.12.4
ventura 1.12.4

Analytics:

Installs (30 days)
kdiff3 354
Installs (90 days)
kdiff3 1,057
Installs (365 days)
kdiff3 5,107