Some interesting and helpful stuff...
for traveling:
www.couchsurfing.org - register to surf the world
www.hospitalityclub.org - same like above
www.lonelyplanet.com - guides to our friendly planet :)
www.hitchwiki.org - hitch-hikers encyclopedia
http://www.findacrew.net/ - boathithhiking
www.vagabond-sailing.com/ - boathithhiking
http://www.7knots.com - boathithhiking
http://www.worldcruising.com - boathithhiking
http://www.bateaustop.fr/ - boathithhiking
http://www.africa-overland.net/ - overlanders in Africa
www.maps.google.com - maps
http://www.digihitch.com/
other travelers
http://tery-robin.blogspot.com - Tery hitchhiking the world
http://gonewiththebackpack.blogspot.com - Elena's trip
http://juriwaro.com/ - Uri Varoshanov
http://darba36170.blogspot.com/ - Domosed's travels
http://itilien.org/ - Itilien hitch-hiking
http://volodiasorokin.com/ - Volodia Sorokin on bycycle
http://www.opendestination.ca/ - Canadian girl Alyssa traveling
http://www.kingafreespirit.pl/ - Polish hitch-hiking girl, sadly passed away during travel in Africa
http://www.belick.org/ - Alex from Russia whom we met in India
http://blog.travelpod.com/travel-blog/ricduncombe/1/tpod.html - Richard - traveling photographer we met in the Himalayas
http://un-bout-d-chemin.over-blog.com/ - traveling French and German couple (we met in India)
http://nomadzentropy.blogspot.com/ - Kalin's blog
http://bodrimir.wordpress.com/ - Dobrin's blog
others:
www.ciem.info - design, pring, photography
http://www.dhamma.org/ - Vipassana meditation
http://forthenature.org/ - for the nature
http://whiteroom.info/ - Bulgarian snowboard mag