Hord of OSR Classes.

Other Peoples Hard Work.

http://armchairgamer.blogspot.com/2012/02/weird-adventures-list-of-adventurer.html
http://9and30kingdoms.blogspot.com/2013/04/zero-classes.html
http://hillcantons.blogspot.com/2010/10/homebrewing-new-d-classes.html
http://zzarchov.blogspot.com/2016/06/player-classes.html
http://thornschronicle.blogspot.com/2012/09/the-mystaran-artificer.html
http://oldguardgamingaccoutrements.blogspot.com/2009/10/alchaemist-magic-user-subclass-for-ad.html
http://noschoololdschoolgames.blogspot.com/2014/06/green-martians-for-osr.html
http://dyingstylishly.blogspot.com/2016/05/metamorphosists.html
http://blogofholding.com/?p=7128  Red Doctor
http://www.pandius.com/druidkgt.html Druidic Knight
http://metalvsskin.blogspot.com/2015/08/the-void-knight-npcpc-class.html
http://trollsmyth.blogspot.com/2010/01/pixie-class.html
http://crushingskulls.blogspot.com/2011/03/healers.html
http://savevsdragon.blogspot.com/2015/08/new-bxll-character-class-bogatyr.html
http://crushingskulls.blogspot.com/2011/03/skirmishers.html

http://grognardia.blogspot.com/2009/08/grognards-grimoire-alien-noble.html
http://d20to3d6.blogspot.com/2016/11/battle-nuns-ll-or-bx-class.html
http://9and30kingdoms.blogspot.com/2013/07/the-apothecary.html
http://9and30kingdoms.blogspot.com/2013/05/the-leech-class.html
http://9and30kingdoms.blogspot.com/2011/05/alchemist.html
http://9and30kingdoms.blogspot.com/2012/09/alchemist-and-witch.html
http://theosrlibrary.blogspot.com/2014/10/weird-and-horror-races-for-victorian.html
http://theosrlibrary.blogspot.com/2014/10/victorian-and-pulp-classes-swords.html
http://ynasmidgard.blogspot.com/2013/10/rappan-athuk-recruiting-henchmen.html
http://theosrlibrary.blogspot.com/2014/10/victorian-firearms-and-other-weapon.html
 

western rules

http://theosrlibrary.blogspot.com/2014/10/a-few-miscellaneous-situation-rules-osr.html

http://wanderinggamist.blogspot.com/2011/04/enlightened-powergamer-in-case-of.html

http://www.pandius.com/jedi.html
http://www.pandius.com/lghtsbre.html

Some other stuff below.
http://zenopusarchives.blogspot.com/2016/02/the-warlock-od-spell-point-system.html
http://valianttheywere.blogspot.com/2015/08/optional-rules-psionics-for-rules.html
http://jovialpriest.blogspot.com/2010/12/no-dump-stats-every-ability-score.html

http://beyondtheblackgate.blogspot.com/2015/05/expanding-fighting-man-again-more.html
http://underworldcleaningservice.blogspot.com/2012/02/bx-monsters-as-pcs-mind-flayers.html
http://poleandrope.blogspot.com/2009/07/he-wants-to-hold-your-hand-hand-hand.html
http://theosrlibrary.blogspot.com/2016/10/supernatural-races-for-classicosr-d.html

http://beyondfomalhaut.blogspot.hu/2016/09/blog-expedition-to-ruins-of-my-first.html
http://taking10.blogspot.com/2016/02/the-importance-of-session-0-in-your.html
http://taking10.blogspot.com/2013/11/in-their-own-words-finding-your.html
http://goblinpunch.blogspot.com/2016/12/how-to-make-rulings.html