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NOTE - All project resources are now hosted at http://qgis.org. Quantum GIS (QGIS) is a Geographic Information System (GIS). QGIS supports common vector and raster formats, including Shapefiles, PostGIS, GRASS, GeoTiff, TIFF, JPG, and many more.68 weekly downloads
A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.11 weekly downloads
Rocrail has been moved to: https://launchpad.net/rocrail0 weekly downloads