UM

Umbrello UML Modeller

Umbrello UML Modeller is a Unified Modelling Language editor for KDE that allows creation of UML diagrams and code generation in multiple programming languages. It supports all standard UML diagram types and exports to formats like XMI, DocBook, XHTML, and PNG.
Latest: 26.04.1 Winget
Last checked: Feb 24, 2026 10:46pm
Rank: 1844/15140
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Overview

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License: GPLv2+Installer: Package manager / Flatpak / Nightly installerWinget: Available
Product Page Support Page Download Page Installer File

Version & Lifecycle

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Current: 26.04.1 N-2: 26.03.90 Avg cadence: Every 23 days

Tags

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UML modeling code generation KDE software development diagrams

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Release Notes & Updates

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Avg cadence: —
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Umbrello

Packaging Notes

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Part of KDE kdesdk module; available via Linux package managers and Flatpak; nightly builds available from KDE CDN

Notes

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Supports reverse engineering from multiple programming languages; works on Unix-like systems and Windows (via KDE on Windows); actively maintained with recent releases in 2023.

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