meld

v 3.21.0

Visual diff and merge tool.

Meld is a visual diff and merge tool. You can compare two or three files and edit them in place (diffs update dynamically). You can compare two or three folders and launch file comparisons. You can browse and view a working copy from popular version control systems such such as CVS, Subversion, Bazaar-ng and Mercurial.

https://meldmerge.org/

To install meld, paste this in macOS terminal after installing MacPorts

sudo port install meld

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Installations 18
Requested Installations 16