Protostar Codes -

Unlimited money:
Locate a trading station with space in your cargo hold. Select the "Buy Goods" option. Select any item other than "Stabilium". When prompted for a price, enter all 1's. Select "Suggest" to offer that number as a price. They seller will agree, the price will be changed to a negative number. Buy as many of the selected item as possible to add money to your account.