open source - 5 myths
TRANSCRIPT
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Presented at SSSI Going Places, 29th March, 2012
GAIA RESOURCES
Open Source5 Myths
Andrew DennisonGaia Resources
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Open Source vs Open Standards vs Open Data
What’s it all about?
“Open-source software is software whose source code is published and made available to the public, enabling anyone to copy, modify and redistribute the source code without paying royalties or fees”- Wikipedia
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Overview
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Overview
“Open source creates a license so that nobody can ever improve the software."
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Overview
“If programmers deserve to be rewarded for creating innovative programs, by the same token they deserve to be punished if they restrict the use of these programs.”
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Overview
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Myth #1Open source software is
unsupported and unreliable
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Unsupported?
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Oracle 11g vs PostgreSQL/PostGIS benchmarking
• PostGIS was faster in 10 of 13 queries – in most cases much faster
Unreliable?
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In 2011 Coverity Inc. reviewed the source code for around 100 proprietary and open source products and found……….
Unreliable?
• Open Source = 0.45 bugs / 1000 lines
• Proprietary = 0.64 bugs / 1000 lines
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Myth #2Big companies don’t use
open source software
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Myth #3It’s free
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Certifications
Integration
TrainingSupport
Online Services
Proprietary Software
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Software
Certifications
Integration
TrainingSupport
Online Services
Open Source Software
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Myth #4Open Source is Unsustainable
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Software
Certifications
Integration
TrainingSupport
Online Services
Certifications
Integration
TrainingSupport
Online Services
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Myth #5Open Source
improves faster
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Open Source Improves Faster
VS
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What about spatial?
Desktop
Database
Javascript Libraries
Webmap Server
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• Paul Ramsey – Beyond Nerds Bearing Gifts http://www.fosslc.org/drupal/content/beyond-nerds-bearing-gifts-future-open-source-economy
• Open Source Technology and ESRI http://www.esri.com/news/arcnews/spring11articles/open-source-technology-and-esri.html
• OSGEO - http://www.osgeo.org• QGIS - http://www.qgis.org• GeoServer - http://geoserver.org• OpenLayers - http://openlayers.org• PostGIS - http://postgis.refractions.net
References and Resources
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Questions?
• If you want to know more, please contact me
[email protected]@andrew_dennison
(08) 9227 7309 0459 990 256
• Web site:www.gaiaresources.com.au