Rupdfdrive May 2026

Free UML Tool for Fast UML Diagrams

UMLet is a free, open-source UML tool with a simple user interface: draw UML diagrams fast, create sequence and activity diagrams from plain text, share via exports to eps, pdf, jpg, svg, and clipboard, and develop new, custom UML elements.

Find below the full-featured UMLet as stand-alone app for Windows, macOS, and Linux, or as Eclipse plugin. It is also available as web app called UMLetino, and as extension to Visual Studio Code.

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github.com/umlet             @twumlet


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New in 15.1: Relation bug fix ++ log lib update ++ dark mode cleanup..
New in 15.0: Web: zoom, lasso, export, dark mode ++ hi-res export ++ startup..
New in 14.3: Improved OS and Eclipse integration (thx @ruediste) ++ XML security fix..



If you like UMLet, visit us on Facebook, or maybe star it on the VS Code Marketplace or the Eclipse Marketplace! (You can also sponsor UMLet via Github, Patreon, or Paypal. Obliged!)

Main


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Tutorial


Quickstart

  • Add elements to a UML diagram with a double click
  • Edit elements using the lower-right text panel
  • Use Ctrl+Space for context-sensitive help
  • Select multiple elements using Ctrl or lasso
  • Press 'C' to copy diagram to the system clipboard
  • Use +/- or Ctrl+mousewheel to zoom
  • Press Shift to avoid sticking relations!


Background


Rupdfdrive May 2026

: Users can create free accounts to categorize documents into folders, add tags, and build a personalized "My Drive" library with up to 100MB of storage.

: While the platform itself is generally considered clean of intrusive ads, individual files are uploaded by third parties. Users are encouraged to use updated antivirus software to scan any downloaded PDFs for potential risks or viruses. rupdfdrive

When using document search engines like Rupdfdrive, users should be aware of several factors regarding security and intellectual property: : Users can create free accounts to categorize

: Unlike standard search engines, Rupdfdrive focuses exclusively on document formats, providing precise results for specific titles, authors, or subjects. When using document search engines like Rupdfdrive, users

: The platform functions in a "legal grey zone" because it indexes files that may not be officially licensed by publishers. It is essential for users to verify that they have the legal right to download a specific file before proceeding.

Is PDF Drive Safe? Risks, Legality & Better Alternatives - PDNob


Support


You can support this UML tool by linking to this site; by sending us feedback, bug reports, or blurbs we can quote; by giving us a star on the the VS Code Marketplace or the Eclipse Marketplace; by spreading the word on social media; or via Github Sponsors, Patreon, or Paypal. Thank you - any support is truly appreciated!



2001+ :: GNU GPL 3.0