Mapper since: February 28, 2008
In the field I use a Garmin Oregon 400t and different cameras for photo mapping. I try to improve bicycle routing as well as hiking paths. And sometimes I also contribute to Humanitarian OpenStreetMap tasks.
The different profiles of my Oregon are currently set up to display different routable maps like these:
All of these osm based maps have some nice features that work well (or even great!) for walking and cycling as well as driving a car.
Continue reading in the osm wiki.