Website:https://www.gitkraken.com
Price: $60/years (free for For open source, education, non‑profit, startups or personal use)
Platforms: Linux, OS X, Windows
Developed by: Axosoft
When you install Git, you also get its visual tools, gitk and git-gui.
gitk is a graphical history viewer. Think of it like a powerful GUI shell over git log and git grep. This is the tool to use when you’re trying to find something that happened in the past, or visualize your project’s history.
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Website: http://www.syntevo.com/smartgit/
Price: Free for non-commercial use only. A perpetual license costs 99 USD
Platforms: Linux, OS X, Windows
Developed by: syntevo