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.

TravelPerk - Corporate Travel Management

Abacus - Expenses without the 'expense report'

Hyper - Extensible, cross-platform terminal built on open web standards.

Zoho Expense - Automate your expense reporting process and streamline the approval flow.

Egencia - Egencia is a corporate travel management system.