WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
NEWOLDSTAMP - Email signature generator
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Exclaimer - Exclaimer is the industry's leading provider of email signature solutions, empowering businesses to unlock the potential of email as a key digital advertising channel.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.