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

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.

Google Sheets - Synchronizing, online-based word processor, part of Google Drive.

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

ChartBlocks - Import data, design and share a chart in minutes. Or seconds via the API.

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