Algorithm::Diff::Apply is a Perl module to apply one or more Algorithm::Diff diffs. SYNOPSIS ## Single-diff form: use Algorithm::Diff::Apply qw{apply_diff}; my @ary = ...; my @diff = ...

XML::Diff is a Perl module for XML DOM-Tree based Diff & Patch Module. SYNOPSIS my $diff = XML::Diff->new(); # to generate a diffgram of two XML files, use compare.

Text::Diff can perform diffs on files and record sets. SYNOPSIS use Text::Diff; ## Mix and match filenames, strings, file handles, producer subs, ## or arrays of records; returns diff in a string.

sqlt-diff is a Perl module that can find the differences b/w two schemas.

Data::Diff is a data structure comparison module.

Perceptual Image Diff is an image comparison utility that makes use of a computational model of the human visual system to compare two images.

java-diff is a set of Java classes which implement the longest common subsequences algorithm.

Algorithm::Diff is a Perl module to compute `intelligent differences between two files / lists.

XML::Diff is a Perl module for XML DOM-Tree based Diff & Patch Module. SYNOPSIS my $diff = XML::Diff->new(); # to generate a diffgram of two XML files, use compare.

Xfdiff project is graphic interface to the GNU diff and patch commands. With this utility, you can view differences side by side for files or directories.

DbDiff project performs a diff between two databases. Currently, only MySQL is supported.

This is a unified diff (you probably need GNU patch to apply it) to lame 3.58. Please note that this diff is now obsolete as recent beta versions of lame include a version of this code. Just type "make mp3rtp".

fldiff is a graphical diff program that shows the differences between two files/directories, or a file/directory and a CVS or Subversion repository.

Text::Diff3::DiffHeckel is a two-way diff plug-in.

libxmldiff library aims at providing efficient diff on XML file.

Struct::Compare is a recursive diff for perl structures. SYNOPSIS use Struct::Compare; my $is_different = compare($ref1, $ref2); Compares two values of any type and structure and returns true if they are the same.

XML::DifferenceMarkup is a XML diff and merge.

Algorithm::Merge is a Perl module package that provides three-way merge and diff.

XMLStarlet is a set of command line utilities (tools) which can be used to transform, query, validate, and edit XML documents and files using simple set of shell commands in similar way it is done for plain text files using UNIX grep, sed, awk, diff,

csvdiff is a perl script to compare/diff two (comma) separated files with each other. The part that is different to standard diff is, that youll get the number of the record where the difference occurs and the field/column which is different.