Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.

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.

LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.

Abacus - Expenses without the 'expense report'

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

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