Mercurial is a free, distributed source control management tool. It handles projects of any size and boasts an easy and intuitive interface. Mercurial handles projects of any size and kind. Every clone contains the whole project history, so most actions are local, fast and convenient. Mercurial supports a multitude of workflows and can enhance its functionality with extensions.
When we chose Mercurial it was more popular from perspectives than Git and we have too many problems with the Microsoft team foundation solution. We also want to move from a centralized version of source control to a distributed one. We also were working more and more via the …
If you generally think that to develop software you have to choose one repository, then in my opinion you have to choose between Mercurial and Git, there is not other solution. Mercurial also has a good merge tool which i can recommend. This gives you the flexibility to push just the "part of the feature", and is much better suited in the case where the "part of feature" and some other "part of the feature" both contain changes to the same file.
When we chose Mercurial it was more popular from perspectives than Git and we have too many problems with the Microsoft team foundation solution. We also want to move from a centralized version of source control to a distributed one. We also were working more and more via the Internet with our source control so distributed version was only solution.