Open Source GIS Software
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Directory maintained at http://en.wikipedia.org/wiki/List_of_GIS_software
List
Most widely used open source applications:
- GRASS – Originally developed by the U.S. Army Corps of Engineers, open source: a complete GIS
- MapServer – Web-based mapping server, developed by the University of Minnesota.
Other open source GIS applications:
- SAGA GIS – – System for Automated Geoscientific Analyses- a hybrid GIS software. SAGA has a unique Application Programming Interface (API)and a fast growing set of geoscientifc methods, bundled in exchangeable Module Libraries.
- Quantum GIS – QGIS is a user friendly Open Source GIS that runs on Linux, Unix, Mac OS X, and Windows.
- MapWindow GIS – Free, open source GIS desktop application and programming component.
- ILWIS – ILWIS (Integrated Land and Water Information System) integrates image, vector and thematic data.
- uDig
- gvSIG – Open source GIS written in Java.
- Chameleon – Environments for building applications with MapServer.
- GeoNetwork opensource – A catalog application to manage spatially referenced resources
- GeoTools – Open source GIS toolkit written in Java, using Open Geospatial Consortium specifications.
- OpenMap
- JUMP GIS – Java Unified Mapping Platform. (See end of page for JUMP derivative projects, like Kosmo and OpenJUMP)
- MapGuide Open Source – Web-based mapping server.
- OpenLayers – open source AJAX library for accessing geographic data layers of all kinds, originally developed and sponsored by MetaCarta
- PostGIS – Spatial extensions for the open source PostgreSQL database, allowing geospatial queries.
- TerraView – GIS desktop that handles vector and raster data stored in a relational or geo-relational database.
- Xastir A special purpose Open Source GIS application used as an APRS client by Amateur radio operators, written in C for X Window environments."