{"id":976,"date":"2014-07-04T10:00:12","date_gmt":"2014-07-04T15:00:12","guid":{"rendered":"http:\/\/gisgeography.com\/?p=976"},"modified":"2025-03-23T08:01:09","modified_gmt":"2025-03-23T13:01:09","slug":"open-source-remote-sensing-software-packages","status":"publish","type":"post","link":"https:\/\/gisgeography.com\/open-source-remote-sensing-software-packages\/","title":{"rendered":"13 Open Source Remote Sensing Software Packages"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature.png\" alt=\"Open Source Remote Sensing Software Feature\" class=\"wp-image-61564\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature.png 850w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-300x169.png 300w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-678x381.png 678w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-768x432.png 768w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-50x28.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-580x326.png 580w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-174x98.png 174w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-200x112.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-425x239.png 425w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-550x309.png 550w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-115x65.png 115w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/Open-Source-Remote-Sensing-Software-Feature-360x202.png 360w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Open source remote sensing software<\/h2>\n\n\n\n<p>There has been a big shift over the years to build software in an open, collaborative way. This software is made available to the public and is called <em>open source<\/em>.<\/p>\n\n\n\n<p>There is no exception for open source <strong>remote sensing software<\/strong>.<\/p>\n\n\n\n<p>The big plus:<\/p>\n\n\n\n<p>They are for public use <strong>at no cost<\/strong>. So without further ado, here is the big list of 13 open source remote sensing software packages.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">1. The Sentinel Toolbox<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"207\" height=\"83\" src=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx.jpg\" alt=\"sentinel toolbox\" class=\"wp-image-14856\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx.jpg 207w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx-50x20.jpg 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx-200x80.jpg 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx-115x46.jpg 115w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/s1tbx-150x60.jpg 150w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/figure>\n<\/div>\n\n\n<p>The Sentinel Toolbox consists of 3 separate applications:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sentinel-1 Toolbox (SAR applications)<\/li>\n\n\n\n<li>Sentinel-2 Toolbox (High-resolution optical applications)<\/li>\n\n\n\n<li>And Sentinel-3 Toolbox (High-resolution optical applications)<\/li>\n<\/ul>\n\n\n\n<p>Sentinel-2 has become the gold standard for open satellite data. In order to process the vast amounts of data collected by Sentinel-2A\/2B, users can use the <a href=\"https:\/\/sentinel.esa.int\/web\/sentinel\/toolboxes\" target=\"_blank\" rel=\"noopener noreferrer\">Sentinel Toolbox<\/a>. One of the highlights of the <a href=\"http:\/\/step.esa.int\/main\/third-party-plugins-2\/sen2cor\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sen2cor plugin<\/a> which allows users to correct for atmospheric effects and classify images.<\/p>\n\n\n\n<p>If you download Sentinel-1 <a href=\"http:\/\/gisgeography.com\/synthetic-aperture-radar-examples\/\">synthetic aperture radar<\/a> data, you can process your data with the Sentinel-1 toolbox. For example, you can perform interferometry, speckle filtering, and coregistration.<\/p>\n\n\n\n<p>For your assistance, the open <a href=\"http:\/\/forum.step.esa.int\/\" target=\"_blank\" rel=\"noopener noreferrer\">STEP Forum<\/a> is a community of remote sensing enthusiasts to help answer questions you have.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">2. QGIS Semi-Automatic Classification Plugin (SCP)<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-medium is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"270\" src=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo-300x270.png\" alt=\"qgis logo\" class=\"wp-image-21786\" style=\"width:225px;height:203px\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo-300x270.png 300w, https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo-50x45.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo-200x180.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo-115x104.png 115w, https:\/\/gisgeography.com\/wp-content\/uploads\/2015\/07\/qgis-logo.png 404w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n\n<p><a href=\"http:\/\/www.qgis.org\" target=\"_blank\" rel=\"noopener noreferrer\">QGIS<\/a> is one of the most powerful <a href=\"https:\/\/gisgeography.com\/free-gis-software\/\" target=\"_blank\" rel=\"noopener noreferrer\">open source GIS software<\/a> packages available for free\u2026 And plugins are the key to its success.<\/p>\n\n\n\n<p>In terms of remote sensing plugins, the <a href=\"https:\/\/plugins.qgis.org\/plugins\/SemiAutomaticClassificationPlugin\/\" target=\"_blank\" rel=\"noopener noreferrer\">semi-automatic classification plugin<\/a> is one of the best. It&#8217;s especially useful because you can download satellite imagery directly in the plugin such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sentinel<\/li>\n\n\n\n<li>Landsat<\/li>\n\n\n\n<li>ASTER and MODIS<\/li>\n<\/ul>\n\n\n\n<p>Furthermore, it also provides tools for the pre-processing and post-processing of imagery. No wonder why it&#8217;s in the top 5 downloaded plugins for QGIS.<\/p>\n\n\n\n<p><strong>READ MORE:<\/strong> <a href=\"http:\/\/gisgeography.com\/open-source-qgis-review-guide\/\" target=\"_blank\" rel=\"noopener noreferrer\">Open Source QGIS Guide and Review<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">3. SAGA GIS: System for Automated Geoscientific Analyses<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/saga.png\" alt=\"Open source remote sensing software packages SAGA GIS\" class=\"wp-image-986\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/saga.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/saga-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/saga-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/saga-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p><a title=\"SAGA GIS\" href=\"http:\/\/www.saga-gis.org\" target=\"_blank\" rel=\"noopener noreferrer\">SAGA GIS<\/a> is ideal for most remote sensing needs because of its rich library grid, imagery, and terrain processing modules.<\/p>\n\n\n\n<p>In terms of classification, it has your basic <a href=\"https:\/\/gisgeography.com\/supervised-unsupervised-classification-arcgis\/\">supervised classification<\/a>. But it&#8217;s not as intuitive and user-friendly as other remote sensing software. For analyses and manipulation, it flourishes with terrain tools like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Topographic Position Index (TPI)<\/li>\n\n\n\n<li>Topographic Wetness Index (TWI)<\/li>\n\n\n\n<li>Soil classification<\/li>\n<\/ul>\n\n\n\n<p>It also has some rudimentary tools for <a href=\"https:\/\/gisgeography.com\/what-is-photogrammetry\/\">photogrammetry<\/a> and support vector machines (SVM). Although it has a vast library of raster-based tools, the only downfall of SAGA GIS is the lack of documentation for some of them.<\/p>\n\n\n\n<p><strong>READ MORE:<\/strong> <a href=\"http:\/\/gisgeography.com\/saga-gis-review-guide\/\" target=\"_blank\" rel=\"noopener noreferrer\">SAGA GIS (System for Automated Geoscientific Analyses) Review and Guide<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">4. ORFEO Toolbox (OTB): Optical and Radar Federated Earth Observation<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"220\" height=\"45\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/orfeo-toolbox-0.png\" alt=\"orfeo toolbox\" class=\"wp-image-14865\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/orfeo-toolbox-0.png 220w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/orfeo-toolbox-0-50x10.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/orfeo-toolbox-0-200x41.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/orfeo-toolbox-0-115x24.png 115w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\" \/><\/figure>\n<\/div>\n\n\n<p>In 2001, France and Italy started a cooperative project for remote sensing software. Built on the shoulders of the open source community, they called it the <a title=\"ORFEO Toolbox\" href=\"http:\/\/orfeo-toolbox.org\" target=\"_blank\" rel=\"noopener noreferrer\">ORFEO toolbox<\/a> and it&#8217;s still widely used to this day.<\/p>\n\n\n\n<p>ORFEO is an image processing library aimed at high spatial resolution data. It&#8217;s a mixed bag of remote sensing tools including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Image segmentation, classification, and filtering<\/li>\n\n\n\n<li>Change detection<\/li>\n\n\n\n<li>Radiometry, PCA, and pan sharpening<\/li>\n<\/ul>\n\n\n\n<p>One big plus is its &#8220;Large-Scale Mean-Shift segmentation (LSMC)&#8221;. This type of object-based image analysis is a rare feature seen in software nowadays.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">5. GRASS: Geographic Resources Analysis Support System<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/grass.png\" alt=\"GRASS\" class=\"wp-image-988\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/grass.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/grass-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/grass-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/grass-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p><a title=\"GRASS Open Source\" href=\"http:\/\/grass.osgeo.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">GRASS GIS<\/a> is full of functionality. Admittedly, it&#8217;s a bit clunky at times as we&#8217;ve shown in <a href=\"https:\/\/gisgeography.com\/grass-gis-geographic-resources-analysis-support-system\/\">our review for GRASS GIS<\/a>. But it&#8217;s not short on tools. For example, it offers:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Image classification and PCA<\/li>\n\n\n\n<li>Edge detection<\/li>\n\n\n\n<li>Radiometric corrections<\/li>\n<\/ul>\n\n\n\n<p>Another key feature of GRASS is <a href=\"https:\/\/gisgeography.com\/lidar-light-detection-and-ranging\/\">LiDAR<\/a> processing and analysis. You can filter LiDAR points, <a href=\"https:\/\/gisgeography.com\/contour-lines-topographic-map\/\">create contours<\/a> and generate DEMs. Next time you see a <a href=\"https:\/\/gisgeography.com\/las-format-las-files-convert-dem-arcgis-3d-analyst\/\">LAS file<\/a>, see what GRASS can do with it.<\/p>\n\n\n\n<p><strong>READ MORE:<\/strong> <a href=\"http:\/\/gisgeography.com\/grass-gis-geographic-resources-analysis-support-system\/\" target=\"_blank\" rel=\"noopener noreferrer\">GRASS GIS \u2013 Geographic Resources Analysis Support System<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">6. PolSARPro<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/polsarpro.png\" alt=\"PolsarPro\" class=\"wp-image-990\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/polsarpro.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/polsarpro-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/polsarpro-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/polsarpro-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p>For <a href=\"https:\/\/gisgeography.com\/synthetic-aperture-radar-examples\/\">synthetic aperture radar<\/a>, you may want to look into <a title=\"PolSARPro\" href=\"https:\/\/earth.esa.int\/web\/polsarpro\" target=\"_blank\" rel=\"noopener noreferrer\">PolSARPro<\/a>. This software can handle dual and full polarization SAR from satellites like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ENVISAT-ASAR<\/li>\n\n\n\n<li>ALOS-PALSAR<\/li>\n\n\n\n<li>RADARSAT-2<\/li>\n\n\n\n<li>TerraSAR-X<\/li>\n<\/ul>\n\n\n\n<p>There\u2019s a wide range of tools like radar decompositions, InSAR processing, and calibration. Another neat part of this software is the graph processing framework where users can automate workflow. This functionality is similar to ArcGIS ModelBuilder and easy to set up.<\/p>\n\n\n\n<p>Overall, PolSARPro is a very sophisticated open source remote sensing software. You need to take a look at PolSARPro if you\u2019re working with full or dual-polarization SAR data.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">7. Whitebox GAT<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"84\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT.png\" alt=\"Whitebox GAT\" class=\"wp-image-14866\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT-50x21.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT-80x35.png 80w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT-174x74.png 174w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/WhiteboxGAT-115x48.png 115w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/figure>\n<\/div>\n\n\n<p>There\u2019s a hydrology theme that surrounds Whitebox GAT. This is because it actually replaced the Terrain Analysis System (TAS), which was an Esri tool for hydro-geomorphic applications.<\/p>\n\n\n\n<p>Where it shines is LIDAR! It&#8217;s like the swiss-army knife of LiDAR data with even a tool that can convert it to shapefile. Although the cartographic tools are bare, overall <a href=\"https:\/\/jblindsay.github.io\/ghrg\/Whitebox\/\" target=\"_blank\" rel=\"noopener noreferrer\">Whitebox GAT<\/a> has a solid 500 tools for all your GIS needs.<\/p>\n\n\n\n<p><strong>READ MORE:<\/strong> <a href=\"https:\/\/gisgeography.com\/whitebox-gat-geospatial-analysis-toolbox\/\">WhiteBox GAT \u2013 Geospatial Analysis Toolbox (Review)<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">8. gvSIG<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/gvsig.png\" alt=\"gvSIG\" class=\"wp-image-995\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/gvsig.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/gvsig-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/gvsig-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/gvsig-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p><a title=\"gvSIG\" href=\"http:\/\/www.gvsig.org\" target=\"_blank\" rel=\"noopener noreferrer\">gvSIG<\/a> is known for its wide variety of rich features. And this applies to its remote sensing capabilities too. For example, users can perform supervised classification, band algebra, and decision trees.<\/p>\n\n\n\n<p>On top of that, gvSIG software delivers a more diverse range of tools like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TASSLED CAP:<\/strong> Tassled Cap is ideal for monitoring vegetation health\/vigor and urban growth.<\/li>\n\n\n\n<li><strong>VEGETATION INDICES:<\/strong> The vegetation indices toolbar analyzes chlorophyll and plant health for multispectral data.<\/li>\n<\/ul>\n\n\n\n<p><strong>READ MORE:<\/strong> <a href=\"http:\/\/gisgeography.com\/gvsig-software\/\">gvSIG Software Review: Desktop, 3D, and Mobile GIS<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">9. Opticks<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/opticks.png\" alt=\"Opticks\" class=\"wp-image-987\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/opticks.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/opticks-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/opticks-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/opticks-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p>The neat part about <a href=\"https:\/\/github.com\/opticks-org\/opticks\" target=\"_blank\" rel=\"noreferrer noopener\">Opticks<\/a> software is the long list of extensions you can add. There are plugins for raster math, radar processing, and hyper\/multispectral.<\/p>\n\n\n\n<p>Before downloading an extension, make sure to check the compatibility. Actually, you might have to scale back your Opticks version for the extension to work properly.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">10. InterImage<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/interimage.png\" alt=\"InterImage\" class=\"wp-image-992\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/interimage.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/interimage-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/interimage-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/interimage-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p>InterImage is a bit different from the other open source remote sensing software on this list. It specializes in automatic image interpretation, which is pretty neat.<\/p>\n\n\n\n<p>The core theme of automatic image interpretation is <a href=\"https:\/\/gisgeography.com\/obia-object-based-image-analysis-geobia\/\">object-based image analysis (OBIA)<\/a>. This involves segmentation, exploring their spectral, geometric, and spatial properties, and then classification.<\/p>\n\n\n\n<p>Although InterImage was developed in Brazil, documentation is available in English.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">11. ILWIS: Integrated Land and Water Information System<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ilwis.png\" alt=\"ILWIS\" class=\"wp-image-994\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ilwis.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ilwis-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ilwis-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ilwis-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p>For more than 25 years, <a href=\"http:\/\/gisgeography.com\/ilwis-integrated-land-and-water-information-management\/\">ILWIS<\/a> has become a popular option for GIS enthusiasts. Actually, since its first release, it has had over 27,000 downloads. But it wasn\u2019t until recently that it became available for public use.<\/p>\n\n\n\n<p>One of its key features is its stereoscopy, anaglyph, and photogrammetry tools. If you have satellite data, ILWIS also has <a href=\"https:\/\/gisgeography.com\/image-classification-techniques-remote-sensing\/\">image classification<\/a> techniques to create land cover classes.<\/p>\n\n\n\n<p>ILWIS was originally built for researchers and students. For this reason, the effort was concentrated on developing a user-friendly environment.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">12. E-foto<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/efoto.png\" alt=\"efoto\" class=\"wp-image-993\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/efoto.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/efoto-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/efoto-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/efoto-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p><a title=\"E-foto\" href=\"http:\/\/www.efoto.eng.uerj.br\/en\" target=\"_blank\" rel=\"noopener noreferrer\">E-foto<\/a> is the <strong>digital photogrammetry specialist<\/strong> in the group of open source remote sensing software. The core functionality is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Photo triangulation<\/li>\n\n\n\n<li>Stereoscopic modeling<\/li>\n\n\n\n<li>Digital elevation model extraction<\/li>\n<\/ul>\n\n\n\n<p>This software provides a fully functional photogrammetry toolset to use at no cost. E-foto has loads of tutorials and examples to get you well on your way to being a photogrammetry expert.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">13. OSSIM: Open Source Software Image Map<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"213\" height=\"50\" src=\"http:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ossim.png\" alt=\"OSSIM\" class=\"wp-image-991\" srcset=\"https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ossim.png 213w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ossim-50x12.png 50w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ossim-200x47.png 200w, https:\/\/gisgeography.com\/wp-content\/uploads\/2014\/07\/ossim-115x27.png 115w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/figure>\n<\/div>\n\n\n<p>Not only has it been actively developed for almost two decades but interesting enough, it\u2019s being funded through US departments such as intelligence and defense.<\/p>\n\n\n\n<p><a title=\"OSSIM\" href=\"http:\/\/trac.osgeo.org\/ossim\/\" target=\"_blank\" rel=\"noopener noreferrer\">OSSIM<\/a> is a high-performance open source remote sensing software application. It&#8217;s good with compatibility. For example, it&#8217;s compatible with over 100 raster and vector formats and at least 4000 types of projections.<\/p>\n\n\n\n<p>It supports a long list of sensors. But some may require additional plug-ins. If you need some remote sensing direction for high spatial resolution imagery, OSSIM might be the answer you have been searching for.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">What is your remote sensing project?<\/h2>\n\n\n\n<p>This open source remote sensing software list fills a wide range of disciplines like <a href=\"https:\/\/gisgeography.com\/what-is-photogrammetry\/\">photogrammetry<\/a>, OBIA, LiDAR, SAR, and more.<\/p>\n\n\n\n<p>While some companies spend thousands of dollars on remote sensing software, just remember that you might be able to do it all in open source.<\/p>\n\n\n\n<p>GIS and remote sensing software are both parts of what some people call the &#8220;open source movement&#8221;.<\/p>\n\n\n\n<p>And this collection of 10 free open source remote sensing software packages helps you as if it was <a href=\"https:\/\/gisgeography.com\/best-remote-sensing-software\/\">commercial remote sensing software<\/a>.<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>There is an abundance of choice for open source remote sensing software. This list of 13 free applications describes what each one brings to the table.<\/p>\n","protected":false},"author":2,"featured_media":61564,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[173],"tags":[527,491],"class_list":["post-976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-remote-sensing-software","tag-specialized-software"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>13 Open Source Remote Sensing Software Packages - GIS Geography<\/title>\n<meta name=\"description\" content=\"There is an abundance of choice for open source remote sensing software. 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