[Git Gutter][git-gutter-st] is a Sublime Text 2 plugin by [JD Isaacks][isaacks] which shows an icon in the gutter area indicating whether a line has been inserted, modified, or deleted.
Here’s a snap of the plugin in action:
![Git Gutter in action][git-gutter-pic]
Not a Sublime Text user? Don’t sulk away with feature envy just yet. Git Gutter has also been ported to [Vim][git-gutter-vim] and [Emacs][git-gutter-emacs].
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