I saw this on a couple of other blogs, so I'm going to be a copycat.
Bold for stuff you've done, italics for stuff you plan to do one day, and normal for stuff you're not planning on doing.
Afghan/Blanket (okay, partially...I'm not officially done, but close.)
I-cordGarter stitchKnitting with metal wire
ShawlStockinette stitchSocks: top-downSocks: toe-upKnitting with camel yarn
Mittens: Cuff-upMittens: Tip-downHatKnitting with silkMoebius band knittingParticipating in a KALSweater Drop stitch patternsKnitting with recycled/secondhand yarnSlip stitch patternsKnitting with banana fiber yarnDomino knitting (modular knitting)Twisted stitch patternsKnitting with bamboo yarnTwo end knittingCharity knittingKnitting with soy yarnCardiganToy/doll clothing
Knitting with circular needlesKnitting with your own handspun yarnSlippersGraffiti knitting (knitting items on, or to be left on the street)Continental knittingDesigning knitted garmentsCable stitch patterns (incl. Aran)Lace patternsPublishing a knitting book
ScarfTeaching a child to knitAmerican/English knitting (as opposed to continental)Knitting to make money
Button holesKnitting with alpacaFair Isle knittingNorwegian knittingDying with plant colorsKnitting items for a wedding
Household items (dishcloths, washcloths, tea cozies…)Knitting socks (or other small tubular items) on two circularsOlympic knittingKnitting with someone else’s handspun yarnKnitting with DPNsHoliday related knittingTeaching a male how to knitBobbles
Knitting for a livingKnitting with cottonKnitting smocking
Dying yarnSteeksKnitting art
Fulling/feltingKnitting with woolTextured knittingKitchener BOPurses/bagsKnitting with beadsSwatching
Long Tail COEntrelacKnitting and purling backwards
Machine knitting
Knitting with self-patterning/self-striping/variegating yarnStuffed toysBaby itemsKnitting with cashmereDarningJewelry
Knitting with synthetic yarnWriting a patternGlovesIntarsiaKnitting with linenKnitting for preemiesTubular COFreeform knitting
Short rowsCuffs/fingerless mitts/arm warmersPillows
Knitting a pattern from an online knitting magazineRug
Knitting on a loomThrummed knitting
Knitting a giftKnitting for petsShrug/bolero/ponchoKnitting with dog/cat hair
Hair accessoriesKnitting in public