How can I build a .osm file on a map?

Question

I downloaded the .osm file from an open street map and I want to build this on a map. What is the best way to do this? I do not want to use Google Maps. Are there any other open source maps available where I can just use their API?

Answer 1

This is what I'm looking for Converting Lat / Longs to X / Y Coordinates

Answer 2

http://wiki.openstreetmap.org/wiki/Google_Maps_Example

Answer 3

: http://wiki.openstreetmap.org/wiki/Renderer#Rendering_Software