When comparing GitEye vs gitk, the Slant community recommends gitk for most people. In the question“What are the best Git clients for macOS?” gitk is ranked 14th while GitEye is ranked 16th.
Ranked in these QuestionsQuestion Ranking
Pro Native GitHub GUI support via GitHub Eclipse plugin
GitEye can be integrated with the GitHub Eclipse plugin to have support for GitHub.
Pro Custom commands can be defined that allow launching third-party tools
If you are using a lot of third-part tools besides GitEye, you can set up shortcuts to launch them easily from inside GitEye, greatly improving your workflow.
Pro Has a graphical compare and merge tool
Pro Great for those starting out with git
Pro Easy to use
Pro Comes with Git
Gitk is a part of the git package, so no additional application is necessary: it is developed right alongside git itself.
Pro Visibly more compact overview output than many other options
When using gitk to scan a long list of changes, the user is able to see more of the list without pagination, as there is no huge buffer of whitespace between each entry.
Since it's pretty minimalistic and does not contain a lot of features (for example, it can't commit), it's quite fast.
Gitk is a free and open source tool. It forms part of the official git suite.
Con Poor documentation
The documentation isn't very detailed and does not do a good job at explaining everything.
Con Cannot commit
The user needs to use a different Git client (GUI or otherwise) to commit changes.
Con Does not automatically update
The user must press F5 to refresh the view as there is no automatic update available.