Meta Package "currency"
The Dreambuilder Modpack -- Everything you could want to build with, and the tools to do it.
Provides shops, barter tables, safes, and multiple denominations of currency, called "Minegeld". Originally written by Dan Duncombe, but maintained by me.
Slot Machine Mini-games
Provides an "engine" to drive simple slot machines (includes two). Spins reels, takes in/pays out in Minegeld (Dan's currency mod), etc.
Adds bank accounts with ATMs and Debit\Credit cards.