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Open-source software assessment methodologies

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Several methods have been created to define an assessment process for free/open-source software. Some focus on some aspects like the maturity, the durability and the strategy of the organisation around the open-source project itself. Other methodologies add functional aspects to the assessment process.

Existing methodologies

  • Open Source Maturity Model (OSMM) from Capgemini
  • Open Source Maturity Model (OSMM) from Navica
  • Methodology of Qualification and Selection of Open Source software (QSOS)
  • Open Business Readiness Rating (OpenBRR)
  • Open Business Quality Rating (OpenBQR)[1]
  • QualiPSo OpenSource Maturity Model (OMM)
  • QualiPSo Model for Open Source Software Tustworthiness (MOSST)[2]
  • QualOSS – Quality of Open Source

Comparison

Comparison criteria

  • Seniority : the methodology birth date.
  • Original authors/sponsors : original methodology authors and sponsoring entity (if any)
  • License : Distribution and usage license for the methodology and the resulting assessments
  • Assessment model :
    • Detail levels : several levels of details or assessment granularity
    • Predefined criteria : the methodology provides some predefined criteria
    • Technical/functional criteria : the methodology permits the use of domain specific criteria based on technical information or features
  • Scoring model :
    • Scoring scale by criterion
    • Iterative process : the assessment can be performed and refined using several steps improving the level of details
    • Criteria weighting : it is possible to apply weighting on the assessed criteria as part of the methodology scoring model
  • Comparison : the comparison process is defined by the methodology

Comparison chart

Criteria OSMM Capgemini OSMM Navica QSOS OpenBRR OMM
Seniority 2003 2004 2004 2005 2008
Original authors/sponsors Capgemini Navicasoft Atos Origin Carnegie Mellon Silicon Valley, SpikeSource, O'Reilly, Intel QualiPSo project, EU commission
License Non-free license, but authorised distribution Assessment models licensed under the Academic Free License Methodology and assessments results licensed under the GNU Free Documentation License Assessments results licensed under a Creative Commons license Creative Commons Attribution-Share Alike 3.0 License
Assessment model Practical Practical Practical Scientific Scientific
Detail levels 2 axes on 2 levels 3 levels 3 levels or more (functional grids) 2 levels 3 levels
Predefined criteria Yes Yes Yes Yes Yes
Technical/functional criteria No No Yes Yes Yes
Scoring model Flexible Flexible Strict Flexible Flexible
Scoring scale by criterion 1 to 5 1 to 10 0 to 2 1 to 5 1 to 4
Iterative process No No Yes Yes Yes
Criteria weighting Yes Yes Yes Yes Yes
Comparison Yes No Yes No No

See also

References

  1. ^ Davide Taibi, Luigi Lavazza, Sandro Morasca. "OpenBQR: a framework for the assessment of OSS" published in OSS 2007 proceedings.
  2. ^ http://www.qualipso.org/mosst-champion
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