Manga

Usually more of "manga inspired" than pure manga. Not that it matters.

Errant Story
Astonishing fantasy. Gunners, magicians, assassins, god-like entities, mass destruction. [detailed info]
Author: Michael Poe
Updates: On hiatus
Website: www.errantstory.com

Flipside
An eccentric, nymphomaniac jester-girl. Every teenage boy's wet dream ;-) [detailed info]
Author: Brion Foulke
Updates: Weekly
Website: www.flipsidecomics.com

No Need For Bushido
Feudal Japan, upcoming war, improbable companions, ninjas and BIG swords. [detailed info]
Author: Alex Kolesar, Joseph Kovell
Updates: Weekly
Website: nn4b.com

Red String
If you feel like reading a romance in a Japanese setting, go ahead. (There's a bit too much cooking for my taste, but I really like her drawing.) [detailed info]
Author: Gina Biggs
Updates: Finished
Website: redstring.strawberrycomics.com

TwoKinds
Fury of the furries! Also features warriors, wizards and some more furries. [detailed info]
Author: Tom Fischbach
Updates: Weekly (Wednesday)
Website: www.2kinds.com