Classes
The Dagger Master--Takes one of the worst weapons in the game and makes it awesome.
The Servant--NPC class
Generic Super Tier 1: This was a silly homebrew to prove that no subsystems are required to make a character more powerful than any existing T1 classes. It is in a spoiler box.
Rules
Balancing NPCs--Since RAW NPCs are too weak
Class Features
The Animal Companion Reborn--Since the ranger's animal companion is too weak
Weapons
Balancing mundane weapons--an attempt to put the melee weapons from the player's handbook on a level-playing field
Monsters
Vote up a monster--A mid-leveled plant swarm/cold/shapechanger
White Wyrmling Swarm--You thought one dragon was scary? Try facing 1000 dragons at once!
Spells
Blessed Aura--effects vary widely, making it more interesting
7 useful
water spells
Vote up an epic spell!
Feats
A Wizard Could Do Worse: 4 feats that can buff a non-caster up to tier 2+
Meta Knowledge,
True Chain Reaction,
Perfect Running, and
Commoner's Surprise
Also try my
Animal companion feats.