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Open Source - 5 myths | PPTX
Presented at SSSI Going Places, 29th March, 2012
GAIA RESOURCES
Open Source
5 Myths
Andrew Dennison
Gaia Resources
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
Overview
Overview
“Open source creates a license so that nobody can ever
improve the software."
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.”
Overview
Myth #1
Open source software is
unsupported and unreliable
Unsupported?
Oracle 11g vs PostgreSQL/PostGIS benchmarking
• PostGIS was faster in 10 of 13 queries – in most cases
much faster
Unreliable?
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
Myth #2
Big companies don’t use
open source software
Myth #3
It’s free
Certifications
Integration
TrainingSupport
Online
Services
Proprietary Software
Software
Certifications
Integration
TrainingSupport
Online
Services
Open Source Software
Myth #4
Open Source is
Unsustainable
Software
Certifications
Integration
TrainingSupport
Online
Services
Certifications
Integration
TrainingSupport
Online
Services
Myth #5
Open Source improves
faster
Open Source Improves Faster
VS
What about spatial?
Desktop
Database
Javascript
Libraries
Webmap
Server
• 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
Questions?
• If you want to know more, please contact me
andrew@gaiaresources.com.au
@andrew_dennison
(08) 9227 7309
0459 990 256
• Web site:
www.gaiaresources.com.au

Open Source - 5 myths

Editor's Notes

  • #2 General open source with a spatial twist Both Positive and Negative Myths Not trying to convince everyone that open source is better and that they should dump their ESRI licenses
  • #3 Lots of ‘open’ terms thrown around, but what do they mean Open Data – Data licensing model Open Standards – Interoperability – WFS/WMS etc Open Source – Software licensing model
  • #4 Lots of historical conflict between open source and proprietary communities
  • #5 Bill Gates
  • #6 Richard Stallman – Creator of GNU, which is a foundation of LINUX
  • #7 If you do a 30 second google search you get images like these
  • #8 Let’s try to find some middle ground and look at some myths along the way
  • #10 Lot’s of companies base there business around supporting open source products OpenGeo do work at Landgate
  • #11 Does that mean that PostGIS is better than Oracle – NO!
  • #14 Scalability – Estimates are that Google has over 1M servers ESRI – Over 80 open source components in ArcGIS ESRI promote a mixed model between open source and proprietary
  • #16 It’s about products not software When you buy an ESRI license you get the software plus………….
  • #17 The total product cost needs to be taken into account Depends on your needs
  • #18 Where’s the business model in open source if you give the software away
  • #19 Proprietary – Pay for the software, get the other things for free (mostly) Open Source – Get the software for free, pay for the other things
  • #20 Community based development = faster development cycle
  • #22 There is a full open source stack Integrates with proprietary stack (mostly) Depends on requirements
  • #24 Presentation is on slideshare