Bladework and related subjects:
I found the following list at a group called "Western Martial Arts" on Facebook.
So, as it says:
Here are some links for your reading pleasure:
Info and Forums:
http://www.myarmoury.comhttp://www.swordforum.comhttp://netsword.com/http://www.thearma.org/forum/http://www.bladesignforum.com/http://www.oldswords.com/http://www.sword-buyers-guide.com/http://www.armourarchive.orghttp://www.fioredeiliberi.org/phpBB2/index.phpA HEMA print periodical:
http://www.wmaillustrated.com/To save me typing out the rest of them go here to find more links to many different websites and groups who study HEMA/WMA:
http://www.myarmoury.com/links.htmlGroups represented in WMA (many of them have websites and you know that http://www.google.com is your friend ;-)
KdF - UK, Netherlands, Denmark and Sweden
http://www.swordfighting-kdf.org/Schola Gladiatoria - UK
http://www.fioredeiliberi.org/The Grange - UK
http://www.suspensionofdisbelief.co.ukEuropean Historical Combat Group - UK, Denmark, Sweden, Eire and Germany
http://www.ehcg.net/Boar's Tooth Fight School - London
http://www.fightmedieval.comSelohaar Fechtschule - USA
http://www.selohaar.org/fechten.htmThe School of European Swordsmanship - Finland
http://www.swordschool.com/Schola Saint George - USA
http://scholasaintgeorge.org/Academia Duellatoria - USA
http://academiaduellatoria.com/Academy of Historical Fencing - UK
http://www.historicalfencing.co.uk/Dawn Duellists - UK
http://www.dawnduellists.co.uk/Association for Renaissance Martial Arts - USA and Europe
http://www.thearma.orgSociety for Medieval Martial Artists - USA
Ottawa Medieval Sword Guild - Canada
http://www.ottawasword.com/Academy of European Medieval Martial Arts - Canada
http://www.aemma.org/Melbourne Swordplay Guild - Australia
http://www.msg.swordplay.org.au/Summer Knights (childrens summer camp) - USA
http://www.summerknights.com/Western Swordsmanship Technique & Research - USA
http://www.westernswordsmanship.com/De Taille et d'Estoc - France (Holders of the famed International HEMA Gathering)
http://www.detailleetdestoc.com/British Quarterstaff Association - UK
http://www.quarterstaff.org/GHFS (Gothenberg Historical Fencing Society and hosts of the hopefully soon to be annual Swordfish HEMA event) - Sweden
http://www.ghfs.se/Saint George Fencing Group - Serbia
http://www.akademija.co.yuhttp://www.youtube.com/user/SaintGeorgeFencingPBSMCS - South Africa
http://www.swordfighting.co.zaSociety for the Study of Swordsmanship - UK
http://www.ssswordsmanship.co.uk/The Company for Historical Combat - UK
http://www.mymartialheritage.orgAcademy of Historical Fencing - UK
http://www.historicalfencing.co.ukAisle O'var Backswording Clubbe
http://www.backswording.co.ukMedieval European Martial Arts Guild - USA
http://www.memag.net/Academy of European Swordsmanship - Canada
http://www.the-aes.orgFrie Duellister / Free Duellists Norway, Bergen.
http://www.frieduellister.no/New Zealand Schools of European Martial Arts
http://www.swordsmanship.co.nzAcademia della Spada - USA
http://www.academiadellaspada.com/Martinez Academy of Arms - USA
http://www.martinez-destreza.com/Northwest Academy of Arms - USA
http://www.northwestacademyofarms.com/Chicago Swordplay Guild - USA
http://www.chicagoswordplayguild.com/c/English Fighting Arts - UK
http://englishfightingarts.com/Company of Maisters
http://www.maisters.demon.co.uk/Facebook Classical Fencing Group
http://www.facebook.com/group.php?gid=24902207605Kuzgun Spor Turkish Hema Group - Turkey
http://www.kuzgunspor.comhttp://www.kuzgunlar.tr.ggKuzgun Spor Turkish Hema Group Facebook
http://www.new.facebook.com/groups.php?ref=sb#/group.php?gid=38490005866Willington Backsword Club - USA (looking for Rapier enthusiasts in New England Area)
http://www.new.facebook.com/group.php?gid=25336021161Pirate Dojo - USA
http://www.new.facebook.com/group.php?gid=13646587031Virginia Academy of Fencing - USA
http://vafinc.com/programs/hist.htmThe Academy of Arms - USA
http://www.AcademyofArms.comMACS (Medieval Armed Combat Society) - South Africa
http://www.armoury.co.za/Mid-Atlantic Society for Historic Swordsmanship - USA
http://www.mashs.org/Academie Duello - Canada
http://www.academieduello.comRoanoke Valley Sword Guild - USA
http://www.facebook.com/group.php?gid=31188018702&ref=mfHEMA cph - Copenhagen, Denmark
http://www.hema-cph.dkDie Schlachtschule - USA
http://www.schlachtschule.orgMeyer Frei Fechter Guild - USA
http://federfechter.comKrigarenve - USA
http://www.krigarenve.comLaFratellanza della Spada - USA
http://www.lafratellanza.com/http://sports.groups.yahoo.com/group/FratellanzadellaSpada/Glima - Denmark
http://glima.dkhttp://internationalglima.comDurban Sword and Shield Club - South Africa
http://www.swordclub.za.orgJojo de Pau Club - Portugal
http://www.jogodopauportugues.com/Historical Fencing School - Vienna, Austria
http://www.klingenspiel.at/Loyal Order of the Sword - Phoenix and NY, USA
http://www.facebook.com/group.php?v=info&gid=78328979429#/group.php?v=info&gid=78328979429School of Traditional Medieval Fencing - UK
www.ringeck.orgOchs - historische Kampfkünste - Germany
http://www.schwertkampf-ochs.de/