Free and open source software (FOSS) is a computer programs which source code can be freely accessed, freely used, changed, and distributed by anyone. It is produced by many people or organizations, and distributed under licenses that conform to the definition of open source. (gvSIG) is one of the most important open source software within the field of geographic information systems (GIS). It provides an integrated environment for editing, querying, storing, analyzing and distributing spatial data. It also provides an environment for displaying and outputting spatial and descriptive information for specific goals. The project aims to: Preparing an educational guide in Arabic for using the free and open source (gvSIG) Program. Practical use of the program through two practical applications: o Producing a digital plan for Tishreen University area, by digitizing a satellite image of the study area, spatially referenced to the coordinate system (UTM) according to certain control points. o Producing thematic maps for elevation, Contour lines, slope, shadows, and Aspect maps, from real surveying data for a certain area of Lattakia countryside.