Eclipse Papyrus vs BOUML

Eclipse Papyrus8.7Visit BBOUML8.4Visit

Higher score Eclipse Papyrus #5 in UML Modeling Software 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Papyrus

vs

B BOUML #8 in UML Modeling Software 8.4/10 Free plan Free plan✓ 3 of 4 features Visit BOUML

• Eclipse Papyrus fits best

  Open-source UML and SysML teams

• BOUML fits best

  Free engineering-focused UML teams

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Side by side

Feature	Eclipse Papyrus 8.7/10 Visit ↗	BBOUML 8.4/10 Visit ↗
At a glance
Editor score	8.7	8.4
Ranking	#5 in UML Modeling Software	#8 in UML Modeling Software
Best for	Open-source UML and SysML teams	Free engineering-focused UML teams
Pricing model	Free	Free
Starting price	Free plan	Free
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Desktop	Desktop
Platforms	Web, Windows, macOS, Linux	Windows, macOS, Linux
Support	Community, Docs	Email, Docs
Built for	Mid-market, Enterprise	Solo, Small business, Mid-market
Features Eclipse Papyrus 0/4 · BOUML 3/4
Code generation	Not checked yet	✓ (best)
Reverse engineering	Not checked yet	✓ (best)
Team collaboration	Not checked yet	✓ (best)
Model repository	Not checked yet	Not checked yet
Specs
UML diagram types	Not checked yet	use case, sequence, communication, class, composite class, activity, state, object, composite object, component, deployment
Deployment	Not checked yet	Desktop
Supported platforms	Not checked yet	Windows, Linux, macOS
Our review
Pros	Covers UML 2.5 and SysML 1.6 with graphical and tabular editors Supports model execution, animation, and simulation through Moka Papyrus-Web provides real-time simultaneous collaboration at no cost	Covers a broad set of UML 2 diagram types Generates source code for seven listed languages and MySQL Includes Project Control and Project Synchro for multi-person work
Cons	Papyrus-Classic is no longer actively maintained The toolset spans separate desktop, web, and Eclipse components Real-time collaboration is provided through Papyrus-Web, not the desktop edition	Desktop deployment limits the product to Windows, Linux, and macOS Round-trip engineering is limited to C++, Java, and PHP Reverse engineering covers fewer languages than code generation
Our verdict	Eclipse Papyrus is an open-source modeling environment for UML and related systems-modeling standards. It is suited to industrial model-based engineering, academic teaching, and research teams that need UML 2.5, SysML 1.6, and a broad set… Read the review →	BOUML is a free desktop UML 2 modeling tool for engineering teams that need more than diagram creation. It supports use case, sequence, communication, class, composite class, activity, state, object, composite object, component, and… Read the review →

Strengths and trade-offs

• Eclipse Papyrus — where it wins

  • Covers UML 2.5 and SysML 1.6 with graphical and tabular editors
  • Supports model execution, animation, and simulation through Moka
  • Papyrus-Web provides real-time simultaneous collaboration at no cost

  Where it doesn't

  • Papyrus-Classic is no longer actively maintained
  • The toolset spans separate desktop, web, and Eclipse components
  • Real-time collaboration is provided through Papyrus-Web, not the desktop edition

• BOUML — where it wins

  • Covers a broad set of UML 2 diagram types
  • Generates source code for seven listed languages and MySQL
  • Includes Project Control and Project Synchro for multi-person work

  Where it doesn't

  • Desktop deployment limits the product to Windows, Linux, and macOS
  • Round-trip engineering is limited to C++, Java, and PHP
  • Reverse engineering covers fewer languages than code generation

• Eclipse Papyrus8.7/10 · Free plan

  Broad UML and SysML coverage with simulation, customization, and no-cost collaboration.

  Visit PapyrusFull verdict →
• BBOUML8.4/10 · Free plan

  A broad, engineering-focused UML desktop tool with generation, reverse engineering, and team features.

  Visit BOUMLFull verdict →