Apps similar to Diff Checker include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and P4Merge. There's no shortage of Diff Tools like Diff Checker, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
Kompare is a graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories. It is part of KDE Applications (and formerly part of KDE Software Compilation) and therefore primarily used on Linux and other Unix-like...
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Diffuse is a small and simple text merge tool written in Python. With Diffuse, you can easily merge, edit, and review changes to your code.
Compare up to N folders side-by-side with intelligent minority-difference highlighting — the only N-way directory comparison tool for Windows & Linux.
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Perform detailed folder and file comparisons on Mac with side-by-side expandable trees, colour and icon indicators, content-based matching, manual synchronisation, filename templates, quick reload, tabbed interface, drag-and-drop, and intuitive visual controls.
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Native macOS file and folder comparison, three-way merge, and Git review, with syntax highlighting and AI agent change review.
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DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear.
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WinMerge 2011 series is a fork of the original WinMerge application that compiles without ATL/MFC dependencies to enable zero-budget developers to build WinMerge from sources using Visual C++ Express editions.
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GNU Diffutils is a package of several programs related to finding differences between files.
Difftastic is a diff tool that compares files based on their syntax. It supports over 20 programming languages and when it works, it's fantastic.
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Visualize folders side-by-side and find immediately which files are different, colors help to understand the diff type. Colors identify older, modified and newer files.
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WinMerge JP is a fork of the original WinMerge, but after 2018 the two are nearly identical. WinMerge JP's features including 3-way compare has been merged into the original.
