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The role open-source geospatial software plays in data handling within the spatial information technology industry is the overarching theme of the book. It also examines new tools and applications for those already using OS approaches to software development.

Provides contributions from the originators of some of the most popular OSG tools in use

Geospatial Open Source and Open Standards Convergences.- Free Software and Open Source Business Models.- Communities of Practice and the Business of Open Source Web Mapping.- MapServer.- The Geospatial Data Abstraction Library.- Open Source Databases and Their Spatial Extensions.- MapGuide Open Source.- Geo Tools.- GRASS GIS.- GeoVISTA Studio: Reusability by Design.- Design and Implementation of a Map-Centred Synchronous Collaboration Tool Using Open Source Components: The MapChat Project.- TerraLib: An Open Source GIS Library for Large-Scale Environmental and Socio-Economic Applications.

During the last several years there has been a signi?cant coalescence of interest in Open Source Geospatial (OSG) or, as it is also known and referred to in this book, Free and Open Source for Geospatial (FOSS4G) software technology. This interest has served to fan embers from pre-existing FOSS4G efforts, that were - cused on both standalone desktop geographic information systems (GIS), such as GRASS, libraries of geospatial utilities, such as GDAL, and Web-based mapping applications, such as MapServer. The impetus for the coalescence of disparate and th independent project-based efforts was the formal incorporation on February 27 , 2006 of a non-pro?t organization known as the Open Source Geospatial Foun- tion (OSGeo). Full details concerning the foundation, including its mission sta- ment, goals, evolving governance structure, approved projects, Board of Directors, journal, and much other useful information are available through the Foundation s website . This book is not about OSGeo, yet it is dif?cult to produce a text on FOSS4G - proaches to spatial data handling without, in some way or another, encountering the activities and personalities of OSGeo. Of the current books published on this topic the majority are written by authors with very close connections to OSGeo. For - ample, Tyler Mitchell who is the Executive Director of the Foundation, is author of one of the ?rst books on FOSS4G approaches ( Web Mapping Illustrated (2005)).