Review commits, manage branches and resolve Git changes with a visual client.
Free (Atlassian).

Developer tools
Review file changes, make commits and manage Git branches from your desktop.
Review file changes, make commits and manage Git branches from your desktop.
Clean desktop GUI for Git with visual branch switching, commit history inspection, and visual diff reviews replacing Sublime Merge ($99 license). Visual Git client for branches, diffs, commits, stashes, and remote sync across GitHub and standard Git repositories without a $49.99 Fork licence or $69-$99/yr Tower subscription.
Limitations not yet documented.
Each comparison covers the workflow described above, rather than every paid feature.