Hex Battle is a scenario generator for Richard Borg’s Battle Cry game.
A freebie from RPG Now is a pdf for creating your own tracking dials / tally wheels. They’re intended for Villains and Vigilantes, but they’d be perfect for a huge variety of miniature, board, and card game — anything where you have to keep track of hits, actions, mana or what-have-you.
Ministories has a nice idea for casualty markers.
Grey Wolf offers a large collection of map tiles for gaming.
Here’s one man’s attempt at making the “ultimate DBA ruler.”