外部 diff ツールガイド

KDiff3

KDE diff and merge application for comparing or merging two or three files and directories with visual conflict resolution.

カテゴリ
Desktop GUI
ライセンス
Open source
プラットフォーム
Windows, Linux, macOS

向いている用途

Open-source desktop merge workflows, especially when three-way merge and directory comparison matter more than visual polish.

強み

  • Strong three-way merge
  • Free and open source
  • Directory comparison support

制限

  • Interface can feel utilitarian
  • Media comparison is limited
  • Setup varies by platform

主な機能

Two-way and three-way comparison
Directory merge
Manual conflict resolution
Version control integration

インストールメモ

Linux: install kdiff3 from your package manager.macOS: brew install --cask kdiff3Windows: use KDE release installers.