Popular: Data updated November 11, 2026

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KDiff3 alternatives

KDiff3 is a diff and merge program.

Joachim Eibl Developer utilities

12 Windows apps in the same category as KDiff3, ranked by what they have in common and by popularity.

  • WinMerge

    WinMerge is an open source differencing and merging tool for Windows.

    Open source 2.16.60 1.2M ↓ ★ 9.3K diff
  • jq

    jq is a lightweight and flexible command-line JSON processor.

    Open source 1.8.2 5.1M ↓ ★ 35.9K
  • x64dbg

    An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

    Open source 2026.05.27 95.8K ↓ ★ 50K
  • Difftastic

    Difftastic is a structural diff tool that compares files based on their syntax.

    Open source 0.72.0 8.3K ↓ ★ 26K diff
  • delta

    A syntax-highlighting pager for git, diff, and grep output

    Open source 0.20.1 18.8K ↓ ★ 32.6K diff
  • Biome

    Biome is a toolchain for web projects, aimed at providing functionalities to maintain them. It offers a formatter and linter, usable via CLI and LSP.

    Open source 2.6.6 10.5K ↓ ★ 26K
  • Vale

    A syntax-aware linter for prose built with speed and extensibility in mind.

    Open source 3.26.0 29.8K ↓ ★ 6.3K
  • jadx

    Command line and GUI tools for producing Java source code from Android Dex and Apk files

    Open source 1.5.6 15.7K ↓ ★ 51.2K
  • dnSpy

    dnSpyEx is a unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor.

    Open source 6.6.0 40.7K ↓ ★ 11.3K
  • Detect It Easy

    A program for determining types of files.

    Open source 4.0.0 32.7K ↓ ★ 11.8K
  • ReportGenerator

    Converts coverage reports generated by coverlet, OpenCover, dotCover, Visual Studio, NCover, Cobertura, JaCoCo, Clover, gcov, or lcov into human readable reports in various formats.

    Open source 5.5.4 87.5K ↓ ★ 3.1K
  • Cutter

    Cutter is a free and open-source reverse engineering platform powered by rizin

    Open source 2.5.0 12.2K ↓ ★ 20.1K

Comparison

AppLicenceVersionUpdatedGitHub starsChocolatey downloads
KDiff3 Open source 0.9.98 March 30, 2021 — —
WinMerge Open source 2.16.60 October 27, 2026 9.3K 1.2M
jq Open source 1.8.2 June 20, 2026 35.9K 5.1M
x64dbg Open source 2026.05.27 June 15, 2026 50K 95.8K
Difftastic Open source 0.72.0 October 30, 2026 26K 8.3K
delta Open source 0.20.1 October 5, 2026 32.6K 18.8K
Biome Open source 2.6.6 November 6, 2026 26K 10.5K
Vale Open source 3.26.0 November 1, 2026 6.3K 29.8K
jadx Open source 1.5.6 August 27, 2026 51.2K 15.7K
dnSpy Open source 6.6.0 June 22, 2026 11.3K 40.7K
Detect It Easy Open source 4.0.0 November 11, 2026 11.8K 32.7K
ReportGenerator Open source 5.5.4 March 25, 2026 3.1K 87.5K
Cutter Open source 2.5.0 July 8, 2026 20.1K 12.2K