SmartGit
GitKraken
SourceTree
GitHub Desktop
TortoiseGit
Fork
tig
git-cola
yEd
draw.io
LucidChart
OmniGraffle
PlantUML
Dia
UMLGraph
Gliffy
SmartGit
yEdSmartGit is ideal for software developers, DevOps professionals, and anyone who frequently works with Git version control systems. It is particularly useful for those who need a GUI-based solution to manage and visualize their repository workflows.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
draw.io - Online diagramming application
SourceTree - Mac and Windows client for Mercurial and Git.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.