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What is OpenStreetMap and Why It is Useful for my IDX Website?
OpenStreetMap is an online community of mappers from all over the world. 
Users can make contributions to the map by entering the date in the following forms:
GPS Devices Aerial images Low-tech or High-tech field maps
This service is known as OSM and it is currently feeding thousands of websites and applications all over the globe. 
Contributors, as referred to by OSM, can zoom in on the map and add or edit details in it. These details can be information about roads, streets, cafes, railways and so on. 
There is a History section on the website where you can see the latest changes people have made to the map. 
Let’s take a closer look and see how it can benefit a real estate IDX website:
Strengths: 
     1. Free One of the main features of this mapping service is that it comes free of charge.
Those who need Geocodes and information to support their applications and websites can freely export and import mapping data. 
All you have to is credit OSM and the contributors whose data you are using. 
This is a unique opportunity for real estate IDX websites which desperately need a free mapping source to minimize their costs. 
 
     2. Legal            OpenStreetMap Foundation is regulating and controlling the use of service on behalf of contributors. The ... more

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