I am looking for anyone who can mirror josm. Just do a wget of the content of ​http://josm.openstreetmap.de/download/* and add yourself to the list below.

url	location	speed	update frequency	comment
​http://josm.openstreetmap.de/download	???	fast	instantly	main site
​http://www.eigenheimstrasse.de/josm	Dresden, Germany	slow (20 kB/s)	instantly	former main site
​http://www.ostertag.name/osm/josm	Germany	fast	daily	josm and tutorials
​http://svenanders.openstreetmap.de/josm	Germany	fast	manualy	josm and plugins
​http://personal.earlsoft.co.uk/osm/josm/	Hampshire, UK	about 100KB/s	manually, updated 2006-05-24	Just jar files
​http://www.openstreetmap.jp/mirrors/josm/	​Hanno, JP	fast about 1-3MB/s	daily
​http://gis-lab.info/programs/josm	Moscow,Russia	fast	daily	everything

Here are an overview of the TutorialVideos.