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WinMerge

WinMerge is an open-source file and folder comparison and merging tool for Windows; its manual is copyright Thingamahoochie Software. It is free software under the GNU GPL version 2 or later.

Licensing at a Glance

  • Open source
  • Freeware

  1. WinMerge is open-source software under the GNU General Public License, version 2 or (at the user's option) any later version.[1]

  2. Anyone may download, modify and improve the source code; the project asks that improvements be submitted back.[2]

  3. The WinMerge manual is copyright Thingamahoochie Software.[3]

  4. WinMerge compares folders and files, including 3-way comparison, images and CSV/TSV tables, and can create patch files.[4]

Products

References

  1. Source Code - WinMerge · winmerge.org · retrieved 2026-09-27
  2. Source Code - WinMerge · winmerge.org · retrieved 2026-09-27
  3. WinMerge 2.16 Help - WinMerge 2.16 Manual · manual.winmerge.org · retrieved 2026-09-27
  4. WinMerge - You will see the difference… · winmerge.org · retrieved 2026-09-27
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