Packaged Tools and Utilities
MapServer for Windows - A preconfigured Web Server environment that includes MapServer and other useful utilities, specifically for Microsoft Windows. (now hosted on ms4w.com)
A self-contained bootable DVD, USB thumb drive or Virtual Machine, that allows you to try a wide variety of Open Source geospatial software without installing anything.
A comprehensive framework for building MapServer-based Web mapping applications using SOAP Web services.
A highly customizable and adaptable environment for deploying and managing Web mapping applications.
A client suite for managing spatial data services. It provides interfaces for displaying, navigating and querying OWS services (e.g. OGC WMS, WFS).
An easy-to-use and extensible web 2.0 mapping application framework based on OpenLayers.
An open source development environment for building spatially enabled Internet applications.
A CGI program that produces GIF images of virtually any type of chart from a set of input parameters.
A PHP dynamically loadable module that makes MapServer's MapScript functions and classes available in a PHP environment.
An open source GIS with raster, topological vector, image processing, and graphics production functionality.
A library and reference application for viewing and analysing raster and vector geospatial data.
An open source GIS that uses the OGR and GDAL libraries to view several vector and raster formats, and includes support for PostGIS tables and GRASS digitizing.
An open source viewer/editor that brings together internet, database, and file-based spatial data.
Utilities and Libraries
A C library that makes Arc/Info (binary) vector coverages appear as ASCII E00 files.
DGNLib is a small C/C++ library for reading and writing DGN files.
A translator library for raster geospatial data formats.
A TIFF based interchange format for georeferenced raster imagery.
A C++ library to read and write MapInfo .TAB (binary) and .MIF/MID files.
A C++ open source library (and commandline tools) providing read (and sometimes write) access to a variety of vector file formats.
A Cartographic Projections library. Proj 4 provides a set of command-line utilities and an API used by several GIS and mapping packages to handle reprojection of coordinates.
A C library for reading and writing ESRI Shapefiles.