Abacus - Expenses without the 'expense report'

Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.

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

Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.

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!

Boomerang for Outlook - Boomerang for Outlook offers email productivity tools to track, schedule and send mails at the right time.