When comparing Ungit vs GitAhead, the Slant community recommends GitAhead for most people. In the question“What are the best Git clients for Windows?” GitAhead is ranked 12th while Ungit is ranked 21st. The most important reason people chose GitAhead is:
Windows, macOS, and Linux.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Free and Open Source Software
Ungit is open source software available under the MIT Licence.

Pro Cross-platform
Works on Windows, Linux, and OS X.
Pro Optional Integration with Modern Text Editors
Ungit can be integrated directly into modern text editors, Atom, Brackets, and VS Code.
Pro Web-based interface
Ungit is web-based, meaning you can run it on your cloud/pure shell machine and then use the UI from your browser.
Pro Multi-platform
Windows, macOS, and Linux.
Pro All basic Git features included
Branches, Pull, Push, Fetch, Cherry-pick, Stash, Revert, Rebase...
Pro It is now free and open source
No longer requires an account.
Pro Qt-based
This means it is fast, looks great on any platform and integrates especially well with KDE.
Pro Fastest on Linux
Not based on web technologies and fastest to start and work with, yet featuring all required features.
Pro Designed to support repository exploration
Pro Can link to most used git cloud providers
Link to gitlab, github and bitbucket accounts.
Cons
Con Node.js dependent

Con Setup is not user-friendly
Ungit is distributed as an NPM package and requires git and Node.js to be installed on your system before you can run it. Ungit must be launched by running ungit
in a command line terminal.
Con Exposes git commands to your network
No authentication, if someone can communicate with your computer on the port this is running on, they can execute any git command they want on your repos as well as view your filesystem's folders.
Con GitAhead is no longer under active development
GitAhead is no longer under active development. Low-level maintenance and bug fix releases will be made as necessary for the forseeable future, but no new features or major changes are planned at this time.
