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Bouml titre.jpg
Developer(s) Bruno Pagès
Stable release
7.5 / April 16, 2018; 2 months ago (2018-04-16)
Written in C++
Operating system Cross-platform
Available in Multilingual
Type Unified Modeling Language
License Proprietary starting from v5.0 up to v6.12, free of use from v7.0

BOUML is a Unified Modeling Language (UML) diagram designer. Programmed in C++ and Qt, it is multilingual, and supports code generation and code reverse engineering. The releases prior to version 4.23 are free software licensed under the GNU General Public License (GPL). BOUML 5 up to 6.12 is proprietary software. BOUML 7 and later is free software.[1]


In September 2010, developer Bruno Pagès announced that he was ceasing work on BOUML (other than bug fixes), citing "copyright violations and mismanagement from Wikipedia administrators".[2][3]

The version 4.23 named "ultimate" was distributed in November 2010,[4] after which it was announced that no more updates would be released.[2] However, several patches were released after the announcement, the last being BOUML 4.23 ultimate patch 7 in October 2011.[4]

In February 2012, version 5 was released as the first paid version. It has a new file format, but is backward compatible in that version 5 can read project files saved by the old versions.[1]

In August 2012, version 6 was released as the first version managing MySQL.[citation needed]

In May 2017, BOUML is again free of use and the version 7 was released as the first of the new free versions, it is still backward compatible in that version 7 can read project files saved by the old versions.[1]

Code generation and reverse engineering[edit]

BOUML can automatically generate code from the UML class diagrams and rebuild them from existing source code using the following languages: C++, Java, PHP, and MYSQL.[5] It can also generate code for Python and IDL, but not extract the UML model for these languages.[5]

See also[edit]


  1. ^ a b c "Historic". Retrieved 31 May 2017. 
  2. ^ a b Pagès, Bruno. "Bouml is Dead". Archived from the original on April 10, 2011. 
  3. ^ Pagès, Bruno (September 14, 2010). "Encouragement". Archived from the original on November 16, 2010. 
  4. ^ a b "Historic: Old Releases". Retrieved 5 March 2012. 
  5. ^ a b "Features". Retrieved 31 May 2017. 

External links[edit]