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Is Quantum GIS open source software a viable alternative?

9/8/2012

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Does open source GIS  provide a realistic alternative to expensive proprietary GIS? 

In the distant past only the deepest pockets could afford GIS functionality.  Prior to the launch of the personal computer budgets for GIS systems running on IBM mainframe computers often could easily exceed several million pounds.  Of course, these systems would be customised by a large team of programmers to meet the specific needs of big corporate organisations and would meet the requirements of a multi-user environment.  

After the personal computer became available the cost of implementing GIS applications  fell dramatically.  A number of academic institutions produced programs which could be run on the windows operating system.  These were then developed by former students into software solutions for a host of different organisations needing a diverse set of requirements.  Most of these GIS systems were developed as proprietary solutions with the authors retaining control over the source code of the solution.  The cost of these proprietary GIS software systems, which ran on personal computers, were significantly lower than their mainframe equivalents. However,  organisations still had to invest thousand pounds to acquire the software application. Cost has therefore always been an inhibiting factor in the wide spread adoption of GIS both for organisations and individuals.

Quantum GIS is an alternative open source solution to proprietary systems which gets over the cost hurdle in that the software is available without charge and updates are available on a regular basis, again without any cost implication.  With proprietary software you are paying for the on going development and support of the software and understand that the solution is provided by an organisation wishing to provide its services for a profit.  

Open source software
is provided by  a team of enthusiasts who develop software without needing to produce a profit for shareholders.  Because the source code is freely available anyone can modify it and enhance the code for the benefit of all users of the software.  Many large and small organisations currently use a variety of open source software programs  which have been developed for the benefit of the open source community.  These programs are often developed in the first place by academic institutions with government or other types of funding and are therefore of a high standard.   The level of functionality available within open source software such as Quantum GIS now allows organisations to either supplement or replace proprietary GIS software within their organisations without consideration for  potential budgetary constraints. 
 
So in conclusion many large and small organisations are finding open source solutions, like Quantum GIS, do meet all their needs.  Because of this there is no doubt that Quantum GIS is growing in popularity as it develops as a viable alternative GIS solution to proprietary software.
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    Author

    Joe Short BSc has been involved with various mapping solutions for over twenty years.  If you are considering implementing a GIS  or have ArcGIS Pro, MapInfo Pro or QGIS training requirements, jps services would be happy to be of assistance to your organisation. 

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