A lot of these aren't done, but eh, I'll post it.
Abyssal Heritor FeatsFeats: For the cyborg in all of us.
Bemäntelter SchattenBase: A strange blend of the shadowcaster and a psion, sprinkled liberally with binder flakes.
Blades of the Fragmented SoulACF: "Oh, you're not--no, I must have heard 'soul' and 'knife' and misunderstood."
Book of ArtifactsItem: Fun ways to drive your players mad.
Charm FeatsFeat: Think more along the lines of Odin, less along the lines of sugary cereals.
Cloth of CopperItem: It's like shapesand, but for stupid people!
Combat Techniques: The ones in the 2nd post are mine. The ones in the first post are Realms of Chaos'.
ConvokerBase: A master summoner, or a Pokemon Trainer if you want to wreck serious campaigns.
Deceit MagePrC: Now you, too, can be burned at the stake despite your lack of any magic whatsoever.
Ectopic Skin FeatsFeat: Crawling in my skiii--okay, sorry, not funny.
The FighterBase: Killin' them as needs killin'.
GestaltwandlerBase: A thousand faces is actually a very conservative estimate.
How to Train your Magic: A work in progress that involves a mage whose major skill is not Spellcraft but more akin to Handle Animal.
The IconBase: Ultimate cosmic power, itty bitty living space. It's a joke.
Impossible WarriorBase/Feat/PrC: Put simply: The Meta-Fighter.
KrigsherrenBase: Combat supremacy, sans maneuvers.
The LibrarianBase: Amechra's already beaten me to the punch here.
The MachiavellianBase: I'd make a joke, but literally all I can think of here is Vetinari.
The MeathookItem: If you see one of these in your butcher's back room, leave. Don't wait for the steak.
The MeistersingerPrC: Bardic music is business of the serious variety.
MetafeatsFeat: Feats about feats. After a while the word feat will sound feat incredibly feat silly feat feat feat.
Monstrous ArmigerBase: Somewhere out there, the person who really wanted to wear a celestial whale as armor is dancing in glee.
The Name-Me-NotPrC: Careful about what you say in front of a mirror...
The NaseliBase: Yes, you can set heat on fire. No, I don't know how that works, stop asking.
The Nord's BladeBase/PrC/Feat/Item: Possibly the only class that requires you not to use the d20.
The Outcast ProjectBase: I've done a bit of work on this one... it's only got, what, two base classes and 60 little fiddly bits?
Resider-In-DreamsPrC: Also known as "Yandere: The Dreaming." I won the Gold in one of the PrC contests with this one.
The SalvagerBase/Feat/PrC: The MacGyver-ficer.
Scion of AshardalonPrC: Demons, dragons, lots of bloody sacrifices. Sounds fun, no? I won the Gold in one of the PrC contests with this one.
Sibling ParagonBase: No, I don't know if you can have a dvati take this. Stop asking.
The Star-Sworn KnightBase: Kind of like a marshal, crossed with a bard and a truenamer and Sailor Moon or something.
Stunning Fist Expansion FeatsFeats: For when you have to be the masterful sifu.
Tiered PermutationsHouserule: ACFs on steroids.
Touched WarriorBase: A warlock-turned-warrior who uses martial maneuvers through fever dreams and seizures. I made none of that up.
Unrepentant Pact-Bound HunterPrC: A ranger-warlock fusion with incredible amounts of hate. I won the Gold in one of the PrC contests with this one.
The VassalBase: This class is pact full of invocation morsels.
Whispersong BladeItem: Pffft. Crystal echoblades are so last season.