Comparing of Google and OSM map with transparency layer:
http://sautter.com/map/
Don´t use Google maps content for drawing of OSM maps. It´s forbidden and we don´t do it!
Comparing of Google and OSM map with transparency layer is now under:
http://wambacher.bplaced.net/omc/sautter.html
VERY IMPORTANT TOOL for Quality control:
OSM Inspector Routing View
See:
http://blog.geofabrik.de/?p=233
Make your own map:
*uMap let you create maps with OpenStreetMap layers in a minute and embed them in your site.
*
http://umap.openstreetmap.fr/
Helpful for reviews of own work:
http://hdyc.neis-one.org/
OpenStreetMap India - http://openstreetmap.in with Bhuvan Satellite imagery and Railway map.
Tasking manager instance - http://tasks.openstreetmap.in/ - to coordinate mapping events and workshops.
Taginfo India OSM - taginfo.openstreetmap.in - showing statistics about tags used in India OSM.