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Tech riderRev. 30 Sept 2026

SourceGear DiffMerge

Ch 047.3of 27 Diff and Merge Tools
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Three-way mergeYes
  4. 4Folder comparisonYes
  5. 5Git integrationYes
  6. 6Platform supportdesktop
  7. 7Merge scopethree way
7 lines stated Written from the maker's own pages: sourcegear.com
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The SourceGear DiffMerge homepage

Overview

SourceGear DiffMerge is ranked #4 of 27 in diff and merge tools on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

SourceGear DiffMerge plans and pricing

All plans
DiffMerge Free Licensed for use free of charge · registration key previously available for a small fee sourcegear.com · 30 Sept 2026

Compared on diff and merge tools

Free plan
Yessourcegear.com
Three-way merge
Yessourcegear.com
Folder comparison
Yessourcegear.com
Git integration
Yessourcegear.com
Platform support
desktopsourcegear.com
Merge scope
three_waysourcegear.com

Facts

Purpose
DiffMerge visually compares and merges files and folders.sourcegear.com · 30 Sept 2026
File diff
Its Diff feature graphically shows changes between two files, with intra-line highlighting and editing support.sourcegear.com · 30 Sept 2026
Windows integration
Windows Explorer integration adds context-menu actions for diffing selected files or folders.sourcegear.com · 30 Sept 2026
Customization
Rulesets and options customize DiffMerge appearance and behavior.sourcegear.com · 30 Sept 2026
Character encodings
DiffMerge is Unicode-based and can import files in a wide range of character encodings.kb.sourcegear.com · 30 Sept 2026
Integrations
The manual documents integration with Git, Mercurial, TortoiseSVN, Microsoft TFS, and Microsoft VSS 2005.sourcegear.com · 30 Sept 2026
Command line
The command-line interface can compare files and write differences in unified or traditional formats.sourcegear.com · 30 Sept 2026
Downloads
The official download page lists DiffMerge 4.2 builds for Windows, MacOS 10.6+, Ubuntu 12.04+ and Fedora 17+.sourcegear.com · 30 Sept 2026
Windows requirements
Windows support requires XP SP3 or newer for 32-bit systems and Vista or newer for 64-bit systems, with 20 MB available disk space.sourcegear.com · 30 Sept 2026
Registration
The registration page says the software is free to use, registration keys do not expire, and registered users receive product updates and support.sourcegear.com · 30 Sept 2026
Current registration status
SourceGear support stated in February 2026 that it was no longer accepting DiffMerge registrations and was transitioning DiffMerge to an open-source project.support.sourcegear.com · 30 Sept 2026
License
The license agreement states that DiffMerge is protected by copyright and is licensed rather than sold.sourcegear.com · 30 Sept 2026

Company

Founded
1997sourcegear.com · 28 Sept 2026
Headquarters
Champaign, Illinois, USAsourcegear.com · 28 Sept 2026

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Where it ranks on Specifiction

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