Challenges - A List

ETA: I am bumping this to the top since I have made a number of edits since I first published it. If you have any info/corrections vis-a-vis these challenge blogs (especially the day of the week they are issued), I would love a comment here so I can amend the post. Thanks!

Monday:

• 2 Sketches for You
• BITTEN by the BUG2
• Craft your passion challenges
• Cupcake Craft
• Cuttlebug Spot
• Die cut Dreams Challenge blog
• Double Dutch
• Forever Friends
• House Mouse Monday Challenge
• Incy Wincy Designs
• Kaboodle Doodles 
• KJ's Stamp Pad - Color Chef
• Kortskissen
• KS Crew Challenge Monday
  
• Little Paper Shop Blog Challenge
• Mixed Media Monday
• Mojo Mondays
• Oooh-la-la
• Paper Playtime 
• Pollycraft
• Pretty Paper Hearts
• SCS - Clean and Simple Cards
• SCS - Technique Lover's Challenge
  
• Sketch and Stash
• Stampavie Challenge
• Stamping Vacation
• SPCC
  
• Squigglefly
• Techno Stampers (Monday Lunch Time Challenge)
  
• The Pink Elephant
• There's Magic In The Air
• Think Monday - Think ATC

Tuesday:

• A Spoon Full of Sugar
• Creative Card Challenge
• Digistamps4Joy
• Digital Tuesday Challenge
• Everybody-Art-Challenge
• Flourishes' Timeless Tuesdays
• High Hopes Stamps
• Inspirational Card Sketches
• Mercy's Tuesday Sketch
• Midnight Madness Sketch Challenge
• My Time to Craft
• Paperminutes
• Papertake Weekly Challenge 
• Project Tuesday
• Promarker
• SCS - Color Combinations
• Shirley's 2 Girls
• Tag Tuesday
  
• TCP Tuesday
  
• Teapot Tuesday
• Tuesday Morning Sketches
  
• Tuesday Taggers

Wednesday:

• ABC Challenge
• Belli Challenge
• Color Dare
• ColourQ
• Color Throwdown
• Delightful Sketches
• Diva Coffee Break Designs
• Flutterby Wednesdays
• Inktegrity Design Team Challenges
• Meljen's Designs DT Blog 
• Passionately Artistic
• Penny's Challenges
• The Play Date Cafe
• SCS - Card Sketches
• Simon Says
• Stamp with Stampavie
• Sweet Sketch Wednesdays
  
• Tanda Teasers
• Truly Scrumptious
• WednesdayChallenge
• Wednesday Stamper
• Whiff of Joy

Thursday:

• CCEE Stampers
• Charisma Cardz
• Colour Create
• Cute Card Thursday
• Divine Divas
• Don't Waste Your Thursdays! 
• Dutch Dare
• Eat, Sleep, Stamp
• Karma scrap (Card sketch; monthly sketches for various scrapbook layouts.)
  
• Lili of the Valley
• Limelight Papercrafts
• Moving Along With The Times
• PaperPlay Challenges
• Rainbow Lady's Challenge
• SCS - Ways to Use It
• S2G Challenges
• Stampin' Bees
• Sugar Bowl Blog
• Theme Thursday
  
• Tiffany's Doodles

Friday:

• BELLARIFIC CHALLENGES
• Let's Capture These Sketches
• clean & simple sketches
• Curtain Call Color Challenge
• Daring Cardmakers
• Inky Impressions Challenges
• Friday Sketchers
• If the Shoe Fits
• Just Magnolia
  
• Paper Makeup Stamps
• Pattie's Creations Design Challenge
• Polka Doodle
• The Res-Q-Challenge
• SCS - Limited Supplies
• SCS - Scrapbooking
• Stamp Simply
  
• Stamp Something
• Stamping For the Weekend
  
• Taylored Expressions
• Totally Gorjuss
• Viva la Verve! (on SCS)
• Winter Wonderland

Saturday:

• Allsorts Challenge Blog 
• Anyone For Anya?
• Art on the Darkside
  
• Basic Grey
• Bee Crafty
  
• CardPatterns
• Cinema Saturday Creative Challenge
• Crazy 4 Challenges
• Creative Inspirations Challenge Blog
• Designed to Inspire your Creativity!
• Etsy Inspired Challenge
  
• I Heart 2 Stamp
• Lots to Do
• One Stop Craft Challenge
• Our Creative Corner
• Penny Black Saturday Challenge
• Queen Kat Designs
• SCS - Inspiration
• Saturday Challenge
  
• Sketch Saturday
• Stamping 411
• The Sweet Stop
• Unscripted Sketches

Sunday:

• 365 Cards
• Card Positioning Systems
  
• Crafts 4 Eternity
• The Crafty Pad
  
• Cutie Sunday
• Getting Creative with Ann
  
• Magnolia Down Under Challenge
• Pencil Lines
• pile it on
  
• SCS - Featured Stamper
• Sketchy Colors
  
• Stampin' Sisters in Christ Challenges
  
• Stamptacular Sunday Challenge
• Sunday Postcard Art
  
• Sunday Sketch and Stamp
• Sweet Sunday Sketch
• Tag You're It!
• Triple the Scraps Scripture Challenge

Not Sorted By Day:

• Caardvarks (5th and 20th of Each Month)
• Bizzy Becs - Creatalicious Challenges (15th of the Month)
• Scrappy Frogs Challenge Blog (Posted Every Three Weeks) 
• Copic Creations (1st and 15th of Each Month)
• Scrap the Boys (Monthly) 
• Christmas Cards All Year 'Round (Monthly) 
• Get Funky! (Monthly)  
• Page|Maps (Monthly)
• Scrap-It-Lah (Monthly)
• Scrap{a}Tale
• Kraft it Up! (Monthly) 
• Whoopsi Daisy Challenge (Monthly)