And if you have any others, post them and I'll add them. :3
A
A.B.C. Dolls (French)
Bases: all sizes, full and portrait
male and female, different poses and heads
Tutorials: transparent clothes
Apitchou (French and English)
Bases: all sizes, full and portrait
male and female, couples, different poses and heads, various colors, pets
Resources: Palettes, line art to color
Autumn Pixels
Bases: medium and large, some realistic, portraits, male and female
Tutorials: straight hair, curly hair, blood and cuts, pants, folds
Av Squad
Bases: small, medium, large, male and female, plus-size, various colors
Tutorials: hair, shading
B
Bondchickz
Bases: male and female, various colors
Tutorials: faces, shading, shoes, simple animation
Box of Pixels
Bases: medium and large, various colors, female, mermaid
Tutorials: long skirt, shirt, hair, transparent backgrounds
BunnyStick
Bases: Jesus, realistic, mask, couples, Orlando Bloom, Gackt, weapons, bat wings, male and female
Tutorials: Creating bases, pixel pics from photos
C
Chase Me 'Round
Bases: realistic, stylistic, male and female, large, portrait
Cherryville
Bases: stylistic, semi-realistic, female and genderless
Crystal Lemonade
Bases: small, portrait
D
Dadadoll
Bases: medium, female, vehicles
DesignJunky's Dollhouse
Bases: large and medium, male and female, various colors and heads
Dolleria
Bases: large and medium, male and female
Tutorials: drawing, coloring, shading, hair
Dollkat (French and English)
Bases: medium, various poses and heads, male and female
Doll on the Hill Factory
Bases: medium and small, couples, male and female, fantasy, furniture and props
Tutorials: feathers; pants, shirt and hair; different folds; adding pattern; shading colors; dress folds; drawing hair
Dollznstuff
Bases: small, medium, large, centaur, male and female, different colors, poses and heads
Doodle Dollies
Bases: medium and large, some realistic, male and female, different colors, poses and heads
E
Electronic Candy
Bases: medium and large, portraits, male and female, family, couples, centaur
Tutorials: Hair
F
Faery Ink Dollz
Bases: all sizes, male and female, different colors, couples, "friendship chains", centaur, props, backgrounds
Fainelloth Dolls
Bases: medium, male and female, various colors, hobbit, elf, furniture
Tutorials: dress, hair
Firefly's World (French and English)
Bases: medium, portrait, male and female, couples
Foxy Republic
Bases: all sizes, portrait, fairies, female
G
Glass Roses
Bases: small, medium and large, portraits, male and female
Grim's Dolls
Bases: large, couples, ponies, male and female
Guinevere's Pixels
Bases: tiny, small, medium, sprites, male and female, mermaids, fairy
Tutorials: Eyes, hair, denim, boots, dress, bases
H
Hotty Dollyz
Bases: small, medium, large, portrait, male and female
The H Word
Bases: portrait, medium and large, female
I
If Looks Could Kill
Bases: action, cute, couples, portraits, plushies, sprites, realistic, male and female
Indexed Colors
Bases: medium, portrait, male and female
J
Josie's Dolls
Bases: small, portraits, couples, female, various colors
Tutorials: draw base, shade folds
Palettes
Julie's Dolls
Bases: tiny, small, medium, family, pregnant, plushie, male and female, props
Tutorials: blinky animation
K
Kristyn Dawn
Bases: all size,portraits, male and female, couples, family
L
La Leche Dollz (Spanish and English)
Bases: large, portrait, couples, mermaid, centaur, male and female, props, wings, horse
Tutorials: hair, skirt (Spanish)
Les cachots endiables (French)
Bases: tiny, small, medium, centaurs, male and female, couples
Lokii (French and English)
Bases: small, portrait, baby
Tutorials: full doll
Palettes: metal
Lunar Eclipse
Bases: small, medium, realistic, male and female, staff
Tutorials: sparkles and pixel lace
M
Magic Lessons
Bases: medium, large, portrait, female, chocobo, moogle, props, wings
Melissa's Dollies
Bases: small, medium, large, stuffed animals, male and female, couples, guitar, wings
Tutorials: shirts, skirts, transparent clothes, lace, wings, shoes, hair, monster fur like boots, ruffles
Meo24
Bases: small, medium, portrait, female
Mochi Dollz House
Bases: tiny, small, medium, male and female, couples, mannequin, sitting
Moondrops
Bases: all sizes, female and genderless
Mufflonen
Bases: small, male and female, various colors
Tutorials: top, jeans, shoes, hair
Mystical Dreamz (Spanish and English)
Bases: medium, female
N
Neon Riots
Bases: small, medium, zombie, male and female, couples, family
O
Okashi
Bases: tiny, female and genderless
Tutorials: full doll, background
Orange Crux
Bases: male and female, all sizes
P
Perfect Plastic
Bases: large, male
Pink Land
Bases:
Pisces Design
Bases:
Pixelane
Bases:
Pixtoki
Bases:
Poisonberry
Bases:
Tutorials: base, black hair
Resources: Palettes
Precious Pixels KH
Bases:
Tutorials: basic, hair, backgrounds, animation, base, shirt, trees
Resources: Palettes
The Purple Dungeon
Bases:
Q
R
Rainy Day Site
Bases:
S
Sabraelle's Garden
Bases:
Shouri Dollz
Bases:
Selenit Tower
Bases:
Solace's Meadow
Bases:
Tutorials: full doll, patterns, top hat
Resources: Patterns
Sour Apple Dolls
Bases:
Tutorials: jeans
Swiss Cheese Army
Bases:
T
U
V
W
Wayuki's Place
Bases:
Tutorials: making bases, detailing tiny dolls
Whitney's Doll Realm
Bases:
Tutorials: curls
X
Xandorra's Place
Bases:
Tutorials: bases, hair, various dresses, clothing (fishnets, jeans, stockings), accessories, wings, eyes, blinking, glow, mermaid, etc.)
Resources: Palettes, patterns, pixel alphabets
Y
The Yellow Rose
Bases:
Yume Studio
Bases:
Tutorials: hair, curls, dresses
Z
Ah well, I needed some good bases. 
