GitX (L)

GitX   (Compare Project)

Mostly written in Objective-C

License: gpl

GitNub   (Compare Project)

Mostly written in Ruby

License: mit

Git   (Compare Project)

Mostly written in C

License: gpl

GitPHP   (Compare Project)

Mostly written in PHP

License: gpl

Cvs2Svn   (Compare Project)

Mostly written in Python

License: apache_ish

fromcvs   (Compare Project)

Mostly written in Ruby

License: AGPL3

MercurialEclipse   (Compare Project)

License: eclipse

MacGitver   (Compare Project)

Mostly written in C++

License: GNU_General_Public_License_v2_0_only

TortoiseGit   (Compare Project)

License: gpl

Bazaar Subversion Plugin   (Compare Project)

License: gpl3_or_later