OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. It is a free editable map of the whole world. It is made by people like you.
- - OpenStreetMap is the most popular Web-based alternative to GeoFlow.
- - OpenStreetMap is the most popular Open Source & free alternative to GeoFlow.
- - Leaflet is the most popular Self-Hosted alternative to GeoFlow.
Marble is a Virtual Globe and World Atlas that you can use to learn more about Earth: You can pan and zoom around and you can look up places and roads. A mouse click on a place label will provide the respective Wikipedia article.
- - Marble is the most popular Windows, Mac & Linux alternative to GeoFlow.
World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there.
WikiMapia is a privately owned, online map and satellite imaging resource that combines Google Maps with a wiki system, allowing users to add information, in the form of a note, to any location on Earth. Users may currently use this information for free.
- - Wikimapia is the most popular Android, iPhone, iPad & Android Tablet alternative to GeoFlow.
Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects. It provides a core set of features in a tight, clean package with plenty of hooks for additional functionality.
Maximize the use of your Excel spreadsheet data. Make mapping the easiest. Transform Excel data into visual analysis. We lead in data simplification and presentation. We are committed to deliver the tools needed to outpace competition.
TransforMap works towards an online platform for you to visualize the myriads of alternatives to the dominant economic thinking on a single mapping system.
RMaps is the navigation tool. You can use RMaps like online map viewer for some popular maps. And like offline map viewer for your own maps created on the PC.Discontinued
The project seems to be no longer developed. Last version, 0.9.4, released in June 2013, can be still downloaded from the official website.
GMap.NET is great and Powerful, Free, cross platform, open source .NET control. Enable use routing, geocoding, directions and maps from Google, Yahoo!, Bing, OpenStreetMap, ArcGIS, Pergo, SigPac, Yandex, Mapy.cz, Maps.lt, iKarte.Discontinued
No updates for years, CodePlex shut down after July 1st, 2021.
This program allows work with any maps service if you can describe getting picture by longitude/latitude(if you want you can write config file or simplepascal script to describe how obtain needle photos).
Aciqra (uh-SEE-kruh) is a free and open source virtual sky map and planetarium which tracks and displays astronomical bodies including planets, nebulae and stars to an accuracy of a fraction of a degree for thousands of years into both the future and the past.
The project is no longer developed. Last version, 2.3.2, released in July 2013, can be still downloaded from SourceForge.