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Pro SSH support
Instead of using HTTPS and authenticating every time they are pushing their code remotely, plenty of developers prefer to use SSH to communicate with the remote server and authenticate using secure key pairs.
Pro Great UI
GitExtensions has a simple layout, all usual functions being available without navigation menus. The branching and merging are clear and easy to follow.
Pro Git commands visibility
GitExtensions typically displays all commands that it carries out in a separate window. The user can also open the Gitcommand log (under Tools) and view the git commands as they interact with the program.
Pro Powerful commit screen
Staging/unstaging files and/or lines of code, ammending, overriding commit's author, commit templates.
Pro Open source
It's totally free
And its written and thought by developers who really know what you need as a developer. Open to contributions by everybody.
Pro Lightweight and fast
GitExtensions is a lightweight and fast application.
Pro Easy to set up
Can either be set up as a shell extension, standalone tool of Visual Studio plugin, allowing developers to choose the way that suits their workflow best and is easier for them to get into.
Pro Easy to use
Can be used as a Visual Studio plugin for developers who use it as their IDE, or as a standalone tool. Both are easy to use even for users not very familiar with git.
Pro Very good stash support
Easy to save, view & pop stashes.
Pro Useful plugins
Includes Gitflow, also has a delete obsolete branches feature which is very useful to get rid of those old branches that have already been merged. There are also other options to clean overall clutter in repositories.
Pro Plugin API
There are several out-of-the-box plugins installed with standard setup. Additional behavior customization is possible with new plugins (written in C#).
Pro Allows easy setting up of scripts to enhance productivity
Pro Submodule support
Powerful submodule support, also when working with multiple cloned SuperRepos.
Con Not truly cross-platform
GitExtensions is not truly cross-platform. It can run through mono on UNIX-based systems but this does not work as well as it does on Windows.
Con UI may feel cluttered with too much information
The sheer amount of information that the UI displays by default may feel overwhelming at times, if not outright confusing.