Questions to consider when evaluating open source GIS tools:

• How does the interface for the open source GIS software compare to other GIS software?
• Does the open source GIS software include the GIS operation I am interested in performing?
• Does the documentation and supporting materials available provide relevant examples similar to the GIS tasks I am interested in performing?
• Are others in my field using this open source GIS software with ease? Are there challenges and limitations to consider regarding the use of a chosen open source GIS software?
• Does the open source GIS software exist in the desired language?
• Does the open source GIS software support file formats I’m working with?
• What output options exists in the open source GIS software to graphically represent findings and final products?