InboxKitten - An open-source, disposable email service 💌

Birdly - Birdly is an expense management and expense report solution for SMBs.

Mailhero - Forward incoming mail to your real e-mail address

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.

ImprovMX - Free email forwarding

Fyle - Track expenses across devices on-the-go and maintain a central repository. With custom approval flows, automatic policy violation detection and an automated audit trail, be audit-ready at all times!