A tutorial for open source web mapping
#helpful links
read in csv files to create geojson maps http://geojson.io
create realtime javascript/html files http://jsfiddle.net/
links for leaflet/mapbox: CSS file: http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css
JavaScript file: http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js
Georeference maps and create tiles http://maps.nypl.org/warper/