Kard - Maximize your credit card rewards & save on every purchase.
Expensify - Import expenses directly from a credit card to create free expense reports quickly. Approve reports online and reimburse directly to a checking account with one click.
Card Curator - Win credit card rewards, points, and miles game
Abacus - Expenses without the 'expense report'
Privacy.com - Get a new virtual card for every transaction
Rydoo - Rydoo is a Travel and Expense management system.