SourceTree is very good and free. I use it for: 1. Selecting specific lines for a commit. 2. Stashes management 3. Rebasing branches, cherry picking commits.

SourceTree is very good and free. I use it for: 1. Selecting specific lines for a commit. 2. Stashes management 3. Rebasing branches, cherry picking commits. It is possible to do a lot more with it, but for the most other operations I use command line or GitHub UI.