I've stopped updating this list. There are about a hundred more to add.
ARTWORK (19)
365 Cat Ladies and Friends
365 Days and Painting
365 Duplications in 2011
A Painting A Day
Art Project 2010
Car-A-Day
Kara 365
Ornithoblogical
Pax and AK
Peety Draws: A Mini-Peety Drawing a Day
Pix X 366 - One Sketch a Day
Sintaxera
Sketch Every Day
Stupid Fucking Awesome
Suspect and Fugitive
The Daily Monster
The Doodle Daily
The Office of Kate Bingaman Burt
Will.Love.Logic - 366 Block Prints
AUTOMOBILE (1)
365 Days of A
DANCE (1)
365 Days of Choreography
DIGITAL (9)
365 Bears Drawn on My Phone
A Heart A Day
A Room A Day for 365
Creatures and Ives
Dabeba
Daily Drop Cap
I Draw the Line
Oddments and Curiosities
Sketch Before Sleep
FASHION AND BEAUTY (11)
Looks Good From the Back
Makeshift
My Shoes of the Day
Necklace A Day by Kay
Shoe365
Star Time Parties
The Daily Nail
The Mom Uniform
The Uniform Project
Tom and Lorenzo: Project Rungay
Trinket A Day
FOLLOWING THE BOOK PROMPTS (4)
Is Nothings Sacred? (Hearts)
My 365
Project 365
Snail A Day
FOOD (4)
GROUP PROJECTS (1)
Friend Cranes - 1000 Cranes
HISTORY (1)
Being Woman
HUMOR (11)
52 Weeks with the Fetts
365 JibJabs
365 Napkin Moustache a Day
Eat More Bikes
Gnome 365
Indiana Jones - The unlikely Adventures
iRobot365 - comic strip about an alien robot
Nasty Cute
Pixel Bastards
Spinadoodles
Stormtrooper 365
INSPIRATIONAL (17)
365: Make Something Every Day and Change Your Life
365 Days of Creativity Project
365 Give
Every Day is Awesome
I Live 40
In the New
GOing 365
John Grinder's Bicycle Stories
Loving the Unexpected
Move of the Day
Smoke and Fire
Take a Photo A Day 365
Things that were Good
Viral Kindness
Weekminds
What Gives 365
A Year of Thanks
LIFE DOCUMENTATION OF CREATIVE PEOPLE (2)
Soule Mama
Sweet Fancy
MIXED MEDIA - THEMED (68)
365 Birds
365 Collage-A-Day Project
365 Daisies
365 Days of Soap
365 Days of Tarot and Verse
365 Days of Tigrikorn
365 Do-Overs
365 Jars
365: Make a Book a Day
365 Trees
365 Two Headed Cats
365 Skulls
A Collage a Day
A Dog A Day
A Face A Day
A Feather A Day - 365 Project
A Flower A Day
A Granny A Day
A Postcard A Day
A Rabbit A Day
A Scissor(s) A Day
A Year of Deer
Alphabet Soup
Another Day Another Dollar
Atomic Rose - 365 Spiders
Bead for Brains: 365
Blog Of The Living Dead - An Illustrative Zombie Projects Blog
Burger 365
Butterfly A Day
Collection A Day
Consider the Birds
Cupcake Crafts and Ideas
Daily Bird
Dragon A Day
Fantasy A Day
Flower A Day
Geekhearts A Day
Give Wings to the Day 365
Grapefruitoons
Habitual Hands
Handmade Happiness Book-A-Day
In Animate Me
Is Nothing Sacred? - Sacred Hearts
Librarian's Daughter
Life in a Bell Jar
Lori Weitzel: A Daily Personal Art Blog
Mask 365 by Freehand Profit
Mail Art 365
My Precious Studio - Weekly Reliquary
My Flower a Day
New Jewelry A Day
Peace 365
Puppet-A-Day
Robot A Day
Skull-A-Day - This is the other project I work on, though my contributions are weekly, we do post submissions daily
Skull3sixfive
Sun A Day
The 365 Day Bird Project
The Daily Turtle
The Daily Shotgun - (it's a type of house)
The Dragon Project
The Happy Homemaker
The Star Project
The Sweater Project
The Weather sKwirl
Weavaday
Year of the Chopper
Year of the Petals
MIXED MEDIA - VARIETY (42)
365 Days/365 Creations
365 Days of Craft
365 Paper Bead Creations
A Simulacrum
A Year of Crafting
Ants Creations
Art du Jour
Art Every Day
Artistic 365 Days
Barefoot Blogger
Brain Overflow
Crafting the Day
Craft Zine
Crafty Chica - Kathy Cano-Murillo
Crazy Creative Coyote
Create A Day
Creative Fusion
Creative Space
E's Art Collection
Felis Creatibus 365
Foreign Creation
Fraught with Meaning
I Built That
I Love to Create
Jessica's 365 Creative Creations
Le Sparklies
Lorina's 365 Creative Creations
My Life Today
Nicole in Bold
Rae by Day
Redo 365
Release My Creativity
Sketchbook Challenge
Skulldiggery
Spirit Art
The B-Roll - One Creative Thing a Day
The Frabjous Daily
The Thirty Third
Thrift at Home
What Will it be Today?
Winterlude
Yara's 365 Creative Creations
MUSIC (3)
Instrument a Day
Jonathan Coulton
Jonathan Mann's Songatron
PHOTOGRAPHY - NATURE (6)
Cloud 365
One Year in 2 Minutes
Pat B Photos
Recycled Photons
Silverback
Today in Theory
PHOTOGRAPHY - OBJECT ADVENTURES (6)
365 Days and One Knight
I'm Not a Real Fish
Play by Play
Snow Globe 365
The Daily Dave
The Little Glass Fish
PHOTOGRAPHY - PORTRAITS (25)
365 Days in the Life of a Pup
365 Days of Heather
Too Much Lauryn
365 Portraits
Alex Erde
Andres Thor
Anna Gay Coan's Three-Six-Five
Another.Point.in.Time
Ari Scott
Broma - Self
Daily Levitation
Helga Webber - Project 365 - Deux
Kharied - 365 Days
Jeanique - 365 Self Portraits
Jeanique - 52 Weeks of Self Portraits
Justin Poliachik
Natalie Johnson
Practical Owl - Year One
Practical Owl - The Last Chapter
Purplemattfish - Project 365, year 1
Purplemattfish - Project 365, year 2
Progeny 365(ish)
Roni River
Stephen Poff - 365 days of 2008
Tim Caynes
PHOTOGRAPHY - MIXED (24)
365 Smiles
A Click A Day
Called to Create
Celebrate the Journey
Clara Williams - Photo a Day
Dustin Diaz - Project 365
Forest and Kerosene
For You, Not Them
Kori 365
New York 365
Photokapi
Projek: 2008 KU
Regular Man - 365 in 2009
Rimblas
Same Time
Screencast
Sheila 365
Symon Chow's Picture-A-Day
the3six5
The Beheaded Goddess
TP Photography
Vals 366
Walking Around
Year in Blue
SEWING (7)
365 Days of Sewing
A Robot A Day
Dances with Pit Bulls aka Crazy Rebecca
New Dress A Day
Small Scale Sewing
The Sew Weekly
Tiffany Designs - 52 Pillows
TOYS (2)
365 Dolls
The Year of the Toymaker
WRITING (11)
365 Days of the WORD
365 Haiku
365 Letters
A Year and a Day of Mythical Poetry
A Year of Letters
Haiku Dawg
Lucretia's Letters (Dutch)
Ramblings by Dawn
The Dabbling Mum
The Year of the Written Word
Word of the Day
277 TOTAL PROJECTS