Git has a limited version of that built-in, 'git gui blame' (this is also integrated with the 'gitk' tool). However, that doesn't let you jump quickly to diffe

Git has a limited version of that built-in, 'git gui blame' (this is also integrated with the 'gitk' tool). However, that doesn't let you jump quickly to different places in history. If you need some thing that shows you the file 'blame' and quickly lets you easily jump around in history, I recommend 'qgit'.