MapIt!

Web-application that lets you navigate raster-maps through your web-browser and lets you zoom in and out and select objects and object classes that are identified on the map. MapIt! is Free Software under LGPL.
http://www.mapit.de/index.en.html

JShape

Java software enabling publication of GIS shapefiles through the Internet.
http://skyscraper.fortunecity.com/redmond/829/jshape2.htm

MapServer

Create maps for the internet using GIS data from shapefiles, tabfiles, or SDE. Also can utilitize data from any database accessible to Perl's DBI module. Can run as CGI or through scripting languages such as Perl, Python, Tk/Tcl, Guile and even Java. (fr
http://mapserver.gis.umn.edu/

Geocortex Internet Mapping Network

Suite of Internet mapping design, consulting and hosting services.
http://www.geocortex.net/

Digital Map Archive

An on-line web mapping system to show geographical and statistical data in support of the European Commission Humanitarian Office ECHO.
http://dma.jrc.it/

Loris Vector Map Engine

Flash based map making software that provides way to integrate interactive maps into any web application. It allows to make maps, create symbols, and connect maps to databases.
http://www.vectormapengine.com/

Autodesk MapGuide

Software programming delivering live maps and linked databases via the Internet.
http://www.autodesk.com/products/mapguide/index.htm

AltaMap Server

GeoMicro's AltaMap family of products for Internet Mapping needs including cartographic quality maps, nation wide Geocoding, and door-to-door directions.
http://www.geomicro.com

ArcIMS

Latest release from ESRI. Web GIS application with a light HTML client version and a java version for data streaming.
http://www.esri.com/software/arcims/index.html

CommonGIS Project

Online tool for accessing and visualizing GIS data.
http://commongis.jrc.it/

TerraServer

Aerial and satellite imagery of the globe.
http://terraserver-usa.com/

CARIS

Provides Web sites with the ability to display vector maps and associate textual information.
http://www.caris.com/

MapServing, Manifold

Providing Manifold internet map hosting solutions for Internet Map Server.
http://www.mapserving.com

AtlasNET 4.0 Map Server

Site demonstrates the GIS server capabilities and has a full Tutorial and SDK samples.
http://www.flashatlas.com

HTMLX.com

Providing webhosting on Mapserver and PHP Mapscript.
http://htmlx.com

TerraSoar

Modular UNIX-based software system for interfacing databases with specific functionality geared toward the querying of geospatial data.
http://www.coresw.com/

LAVA/MAGMA

Two related products. Using the Lava client, you can access Magma geographic data servers.
http://www.pgs.nl/

Geo Data Explorer

Access, view, and download information from United States geo-spatial databases.
http://geode.usgs.gov/

SpatialFX Server

Java-based application server that delivers mapping applications to users through the Web, as well as through client/server deployments.
http://www.objectfx.com/

Maptech MapServer

United States topographic maps, nautical and aeronautical charts, and high altitude photography.
http://www.maptech.com/mapserver

Montana Cadastral Map Project

Interactive mapping of land ownership parcels and digital GIS data for all private and public property in Montana, by county.
http://gis.doa.state.mt.us/

WebView

ArcView extension allowing presentation of spatial data on CD or through a browser.
http://www.zebris.com/english/main_produkte.htm

GeoTools

Free open source Java toolkit for producing interactive maps on the web.
http://geotools.sourceforge.net/

Skyline Software System

Home of the Terra software environment, a realistic interactive, photo-based three-dimensional map of our planet available on the Internet.
http://www.skylinesoft.com/

XtraMap

Online publication tool for localised data. Designed for online map libraries, tourism sites, and geographical consultancies.
http://www.xtramap.com/ENindex.php3

ALOV Map. Java GIS

ALOV Map is pure Java application designed to aid in the dissemination and visualization of geospatial data via the Internet. The site features live Map demos and product description.
http://alov.org

Internet Parcel Look Up System

Allows visitors to locate parcel data for a number of municipalities in Virginia and North Carolina, United States, using a web-based GIS to query smart maps and data tables.
http://www.webgis.net/

Land Information Ontario

Access information on Geographic features in Ontario. More layers are available as you zoom in. The site is operated by the government of Ontario.
http://lioib.lio.mnr.gov.on.ca/lioib/uien/LIOIBSelectView.asp

Baltic Environmental Atlas

Interactive environmental maps over the Baltic Sea region. The themes, such as population density and landuse, relate to human impact on the environment in the region.
http://maps.grida.no/baltic/

GeoServer Project

A Java (J2EE) implementation of the OpenGIS Consortium's Web Feature Server specification (free, with code).
http://geoserver.sourceforge.net/

I-Maps Internet Map Server

Provides mapping utilities that allow access to geographically related information. GIS applications available for any type of spatial data.
http://www.i-maps.com/

WMS Cookbook

Information about implementing an Open GIS Consortium (OGS) Web Map Server (WMS).
http://www.intl-interfaces.net/cookbook/WMS/

Natural Area Coding System

Products for web pages, that support vector maps with unlimited map layers and hyperlinks.
http://www.nacgeo.com/

Formarama

Free map server which can be used to browse maps and can be included in any web page.
http://formarama.com

GISfactory

An application service provider for small and medium sized businesses and organizations.
http://gisfactory.com

GlobeXplorer

Provides online aerial and satellite photo access via a public web viewer, custom built viewers for e-businesses, and their imagery extensions for GIS and CAD software.
http://www.globexplorer.com

Toolbot

Simple browsable interface to USGS map data.
http://map.toolbot.com/

Light Map project

An interactive web application based on client-server architecture. It is designed to create, publish and view geographical maps using web browser.
http://litmap.hut.ru/

AI Geostats

Central server for geospatial statistics with mailing list, online papers, software, books, courses, and links.
http://www.ai-geostats.org/

Open Geospatial Network

Portal to Open GIS consortium compliant web services, providing users access to spatial services and list of available network servers.
http://www.geospatial.net

WMS Viewer

Demonstration of Open GIS consortium web map service and web application.
http://www.wmsviewer.com

GeoSmart

An automated web-based mapping service which allows users to create and edit maps and maintain user access permissions.
http://www.geosmart.net/

Ionic SVG Renderer

An online SVG viewer intended for mapping and GIS applications.
http://www.ionicsoft.com/demo/svg.jsp

Neten'Map

Provides raster or SVG web mapping generation from ArcView Views for LAMP architecture.
http://www.netency.com/en/netenmap/index_en.php?p=accueil_en

Mapzoom

Server-side software for navigating maps generated from static images, with clickable regions imported from ESRI shape files.
http://www.cs.rochester.edu/%7egildea/Map/

GeoMap of TerraSpace

GIS-related engine providing MapXtreme functionality for digital map control.
http://geomap.terraspace.ru/geomap_root/