gvSIG has established itself as one of the most comprehensive Open Source GIS packages. gvSIG is a fully fledged desktop application designed for c OpenJUMP is an open source Geographic Information System (GIS) written in the Java programming language. It is developed and maintained by a group QGIS is a full functioning GIS that is easy and intuitive to use. It is quickly becoming the leading open source standalone GIS.QGIS is ArcGIS Explorer Desktop is a free GIS viewer that gives you an easy way to explore, visualize, and share GIS information. ArcGIS Explorer adds value to any GIS because it helps you deliver your authoritative data to a broad audience. ArcReader is a free, easy-to-use desktop mapping application that allows users to view, explore, and print maps and globes. Anyone with ArcReader can view high-quality interactive maps authored by a high-level ArcGIS for Desktop product and published with the ArcGIS Publisher extension. ArcReader is included with ArcGIS for Desktop and is also available as a free download from the ESRI Web site. The infrastructure industry’s BIM viewer of choice for interacting with IFC’s, DGNs, DWGs, and i-models, as well as point clouds and many other industry formats. With millions of users, Bentley View is arguably the industry’s most powerful free BIM viewer. Meeting the industry’s demanding needs for viewing BIM, Bentley View supports over 50 other file formats, including CAD and raster image formats. Use Bentley View to explore the BIM 3D models as well as 2D drawings and detail sheets. Navigate the project via hypermodels if you have access to an i-model. Simply view files, search for objects, prepare lists, measure distances and areas accurately, and print drawings to scale, including to 3D PDF—all with full fidelity, without translations, on every desktop, for free. CrimeStat is a spatial statistics software package for the analysis of crime incident locations. CrimeStat is being used by many police departments around the US as well as by criminal justice and other researchers. Interfaces with most GIS software and is Windows-based. The MapLink Pro ENC Viewer is a Windows application that provides the capability to visualise maritime S-57 data via compliant S-52 charting specification. The viewer also supports S-63 encrypted data. The viewer can be downloaded for free from the resources area. The MapLink Pro ENC Viewer is a useful tool for anyone that has a requirement to visualise maritime charts prior to integrating them into an operational system. The viewer also demonstrates the high performance and accurate rendering available to developers and system integrators in the full version of MapLink Pro. The viewer is built with the MapLink Pro SDK and provides an example of how developers can rapidly integrate nautical data and visualisation capabilities into maritime applications including ECDIS and WECDIS. MapLink Pro also enables Situational Awareness and C2 Systems to access the same data that is being used by ECDIS and WECDIS systems. MapLink Pro enables developers to combine maritime geospatial data such as ENC S-57 (S-63 S-52), AML, DNC, HCRF, DBDBV 6.2 with other non-maritime data sources (full list available on website). MapLink Pro also provides a set of web services that enable maritime interoperability through open standards. Explorer for ArcGIS allows you to access your maps, search and visualize your data, and display presentations. Functionality includes: To use your maps in Explorer, you must have an ArcGIS organizational account. Your maps can include data from ArcGIS Online, Portal for ArcGIS, and ArcGIS for Server. FalconView is a PC based Mapping Application developed by the Georgia Tech Research Institute for the Department of Defense. The software is widely used by the US DoD and Allied countries, but historically it has not been available to the general public. Thanks to an initiative by the US Air Force, a Free and Open Source version of FalconView is now available under the terms of the GNU LGPL license. FalconView is a mapping tool and supports various types of display like elevation, satellite, LiDAR, KMZ and MrSID. SkyView mode can perform fly-throughs and even has the ability to open .MXD files. Source.