Firefly Path– Really beautiful costumes with amazing attention to detail.
Kelldar– Some really nice costumes, and lots of artwork.
Sarcasm-Hime– Costumes, artwork, tips and tricks, and helpful links.
Paper Wings– Cosplay group that also has a great wings tutorial and other helpful tips.
Jia Jem– Impressive costume collection and helpful tutorials.
Bio Weapons– Amazing suits and props and detailed tutorials.
WindoftheStars– Rockin’ costumes and tutorials.
Denver Fabrics– A nice all-around site for sewing needs. Fabric tends to be cheaper here, especially the specialty fabrics.
Stretch House– All kinds of stretch fabrics.
Spandex World– All kinds of stretch fabrics.
Fashion Fabrics Club– Various fabrics and patterns.
Dazian Fabrics– Specializes in flame retardant, wide-width fabrics for all your designing needs. Also sells Wonderflex and fosshape.
Distinctive Fabrics– Good source for specialty fabrics.
Spandex House– Spandex House carries Nylon Lycra®, Cotton Lycra®, Stretch Metallic, Stretch Holograms, Slinky, Stretch Velvet, Sheer Mesh, Sheer Illusion, Sufflex etc.
Sy Fabrics– Resource for unusual prints, furs and stretchable fabrics.
Fabric Direct– Carries a wide range of fabrics from basic broadcloth to wet-look vinyl.
Fabrics World USA– Similar inventory to Spandex House and Stretch House.
Big Daddy’s Gypsy Caravan– Offers a variety of quality fabrics, trims, patterns and accent items for historical and SCA style garb.
Nancy’s Notions– Good site for general/specialty sewing supplies if you can’t find it in a store.
Farthingales– Costume and corset supplies, patterns, and hoop steel as well as findings.
Corset Making– Corset making supplies, patterns, fabrics and more.
I Can Help Sew– Sells sewing machines, embroidery machines, sergers, embroidery software, sewing machine feet and lots of other sewing accessories.
Cheeptrims.com– Wholesale lace and trim with over 3,000 products.
ZipperStop– Carries zippers, boning, and other notions at decent prices.
Trim Fabric– Various trims, fabrics and notions.
Fabric Mart– Designer fabrics and assorted apparel fabrics.
Perfect Fit– Upholstery fabric and supplies.
Spoonflower– Custom printed fabrics.
Fleece Queen– Largest fleece selection online.
Vogue Fabrics– Wide range of fabrics and patterns, notions, corset making supplies and more.
Create For Less– All-around crafting/sewing supplies.
MJ Trends– Stretch fabrics, vinyl, latex, etc.
Fabrics.net– Hand selected fabrics and fabric facts.
Wawak Sewing– Featuring the world’s largest inventory of brand name sewing supplies.
Maya’s Shoes– A site with unusual shoes and boots that you may find useful for your cosplay
Snaz75– Even more shoes for your cosplay pleasure
Electrique Boutique– More shoes for your database
Beverly Heels– And still more shoes
Shoe Care Supplies– Carries Nu-Life spray on leather dye
Simple Shoe Making– Supplies and instructions for shoe making
Ragdoll Weave Co.-This is where I got my extensions to make Sailor Moon tails and my hair for restoring My Little Ponies (Pro Silky).
Doctored Locks– Another resource for synthetic hair extensions.
Amphigory– High-quality wigs at reasonable prices. This is generally where I get my base wigs.
Elves of Aradani– Prosthetics, jewelry, costumes, prints, etc.
FX Warehouse– Good source for any prosthetics or special effects makeup you may be looking for.
Hobby Lobby– Nice all-around resource for crafting & sewing supplies. Make sure to use their 40% off coupons.
Hobbylinc– Source for general hobby supplies, including airbrushing.
Cosplay Supplies– All-around source for costume supplies, also carries Worbla.
Lee Valley Tools– Lots of handy woodworking tools and hardware.
Fire Mountain Gems– FMG has all the tools, chains, clasps, beads, pendants and whatever else you may need for making jeweled accessories.
Harlequin Beads & Jewelry– A lot like Fire Mountain.
WigJig– Beads, tools and jewelry-making supplies.
Smooth-On– Liquid rubbers and plastics of all different types, great for many costuming applications.
TAP Plastics– Sheets and rolls of plastic along with casting resin and many other plastic products
The Engineer Guy– Casting, molding and sculpting supplies.
Rainbow Feathers– Feather supplier who sells by the pound.
Wild Ginger– The largest publisher of custom apparel pattern drafting software in the world.
Sheer Temptation– Wide range of stockings in all colors and styles.
Fantasy Props– This is the guy who made my Witch Hunter Robin pendant. I can’t speak for his other props personally, but if they’re anything like the pendant, they must be good.
Tandy Leather Factory– Just about anything you could ever need for leatherwork. I get my Eco-Flo dye here.
Resin Obsession– Resin supplies and how-to videos.
Monster Makers– Special FX makeup supplies, modeling clay.
Joann– Good all-around crafting/sewing resource. Take advantage of their coupons.
Dick Blick– Art supplies galore.
Plastic Beads Wholesale– Good source for smooth cabochons and other plastic beads/gems.
Craftics– Tools for working with plastic- check out their acrylic half spheres.
Ken’s Sewing Center– This is where I bought my sewing machine, I can’t recommend them enough.
Jalie– Patterns for dance, ballet, swimming, figure skating, etc.
Widget Supply– Small hobby tools and supplies for all crafts and hobbies.
Art Molds– Environmentally friendly mold making and casting materials.
Buy Grommets– Grommets and grommet setting machines.
Worbla– Thermoplastic that has decided advantages over Wonderflex.
Sock Dreams– Socks, tights, leg warmers and other accessories.
Amethyst Angel– Amythyst has a lot of tutorials for armor and accessory making.
Costuming.org– A site dedicated to all genres of costuming, looks like the forums are dead.
International Costumers’ Guild– An affiliation of amateur, hobbyist, and professional costumers dedicated to the promotion and education of costuming as an art form in all its aspects.
The Costumer’s Manifesto– Looks like the page hasn’t been maintained in a while but interesting stuff can still be found with a little digging.
Milieux– Costuming sources for historical, science fiction & fantasy costumers.
Alley Cat Scratch– Lots of different kinds of costumes and tutorials. Check out their LOTR stuff!
Cosplay/Anime Costuming and Masquerade Links– Looking for pictures from that con you went to? This is a good place to start.
Sewing.org– The Home Sewing Association is a not-for-profit trade organization comprised of business members who support and promote the home sewing industry.
Threads– Good all-around source for sewing, design, embellishing and quilting information.
Pattern Review– Compiled reviews about patterns, sewing machines, stores, etc.
Making Latex Clothing– Tutorials on working with latex.
Instructables– Instructions for making just about anything you can think of.
Your Props– Online museum for private collections of movie props and costumes. Very handy for reference images.
Studio Creations– Lots of tips and tricks for costuming and prop making.
The Armour Archive– Excellent source for authentic armor patterns, useful when trying to create your own out of costuming materials as well.
Craftster– Online community where people share hip, off-beat, crafty diy (do it yourself) projects.
Lutterloh Pattern System– Interesting pattern making system- it’s worth a look.
Sew4Home– Lots of sewing tutorials and projects.
405th– Forums for Halo costuming, techniques apply to other costumes of course.
Burda Style– Patterns, tutorials, tips, forums and more.
Foundations Revealed– Corset making information.
Craftsy– Classes on crafting, sewing, jewelry making and more.
Somewhat Stretchy– Catsuit patterns and more.
Todd’s Costumes– Nice Xena costumes.
Costume Armour, Inc.– The world’s leading custom armour studio producing authentically styled, highly durable, Greco-Roman, Gothic, Elizabethan and Fantasy theatrical armour.
Cosmates– Pre-made clothing in school girl, lolita, maid and anime styles.
Jongleur Cosplay– Cosplay accessories and cute little hand-made figurines. She no longer sells them but her tutorials are still up.
JBOX– Carries Japanese cosplay/lolita magazines such as Cosmode, Gothic and Lolita Bible and many others. Also carries school uniforms, t-shirts, artbooks and tons of other goodies.
Museum Replicas– All kinds of historical and fantasy weapons and garb.
Fiberglass Blades– Impressive collection of props and fiberglass tutorials.