UML visualisation
for Git repositories

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Understanding new source code
is every programmer's
biggest challenge

GitUML helps programmers understand new code more quickly.

Understand code quickly

Automatically generate UML class diagrams from source code residing in git repositories.

A revolution in documentation

GitUML rapidly produces beautiful UML class diagrams every time.

  • Diagrams automatically update when you push code using git
  • Diagrams are always up to date
  • This let's programmers focus on coding instead of fussing with drawing tools.
A $60K/annum employee may very well take $120K before reaching the productivity level and
contribution of the developer who left the team. Dave Laribee

Point and Click

Browse any git repository on the web and select the files you want to visualise.

  • Popular public repositories listed
  • Browse your own repositories
  • Automatic layout - saving you time

Gallery View

Access your diagrams via a thumbnail gallery.

  • Click to edit or delete, duplicate etc
  • View descriptions and user comments
  • Search by repository or tags
39% of survey respondents view application complexity as their top challenge. 78% say the need to visualize and analyze complex datasets is expanding. Trends in Web Technologies – A Global Research Report

Keep diagrams simple

Communicate what's important

  • Select only the files and classes that you want
  • Capture knowledge
  • Each diagram tells a story, your way

Refine your diagrams

Add anything you want to your diagrams

  • Attach yellow text notes to any class
  • Add additional classes & relationships
  • Use "point and click" to add common elements or use PlantUML markup

Losing staff who "know the code"
is every company's fear

GitUML protects your intellectul property when staff turnover occurs.

Productive Handovers

Developers with knowledge can document designs rapidly before they leave

  • Preserve knowledge of the code
  • Offboard existing staff with more confidence.
  • Onboard new staff more quickly - saving you money
The total cost of losing an employee can range from tens of thousands of dollars to
1.5 to 2 times their annual salary. Rachel Ferrigno

Share your diagrams

Diagrams are URLs

  • Each diagram is a permalink URL internet resource.
  • Share diagrams with your team, in print, blogs and documentation.
  • Turn off GitUML git push auto update to lock a diagram to a moment in time.
Unplanned turnover hurts — especially when you lose top people. Aaron Reed

Attract contributors

Get more contributors to Open Source projects. Contribute more.

  • Key design diagrams of Github projects helps everyone.
  • Attract more contributors by making it easier for them to understand the code.
  • Contribute more productively to well documented projects.


GitUML roadmap

  • Reverse-engineer Python 2 & Python 3 source code into UML diagrams - complete!
  • Reverse-engineer Java source code into UML diagrams - complete!
  • Reverse-engineer C# - (late 2019).
  • Reverse-engineer Javascript source code - (early 2020).
  • StackExchange for GitUML diagrams for open source projects - (2021).

GitUML reverse-engineers any Python or Java source code!

Benefit Summary :

Leaders of IT projects...


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Choose a pricing plan that fits your needs.

All prices are in USD

  • Basic
  • 5 Diagrams
  • public Repositories
  • limited classes per Diagram
  • FREE

  • Pro
  • unlimited Diagrams
  • public and private Repositories
  • max classes per Diagram
  • $2

    per month
  • Team
  • unlimited Diagrams
  • public and private Repositories
  • max classes per Diagram
  • team members share Diagrams
  • Contact Us To Discuss Pricing

    per month (5, 10 or more email team)

Custom Hosting

Tailored to your needs

  • Run GitUML inside your cloud containers - for complete security
  • Run GitUML inside your company network infrastructure
  • Access any local git repositories (not just GitHub).


We will work with your team - hands on, to

  • Document your critical projects.
  • Develop rapid onboarding programs for new staff
  • Ensure knowledge is captured when staff leave
  • Audit your project documentation to protect your company IP