Table of Contents

1 Open Source vs. Vendor-Provided Software by Jeff Walpole

3 From the President

9 How to Evaluate Open Source Software by David A. Wheeler

14 Exploring the Variety of Open Source Tools by Ryan Carter

20 Opening Doors to Open Source by Stephen Twelker

22 Open Source Mapping Solutions by Thomas King

27  A Short List of Mapping Tools & Geospatial Data Sources

28  Considering the Costs by Waverly de Bruijn

30 Glossary of Terms

32 Voices from the Field

34  Resources & References

35  Partner Pitch