"ProsperWorks seamlessly integrates with the entire Google Apps ecosystem—from Gmail and Calendar to Docs and Drive, providing our users the unified experience across apps they use everyday. ProsperWorks automatically links all related emails, calendar events and files with your ProsperWorks Contacts. See sales activities right from within Gmail, Track when emails are opened and viewed, Zero-touch automated data entry, Follow up consistently with task reminders" While all these features are great for Google Apps and Gmail users - it would mean switching email platforms for us - so we will stick with Top Producer 8i!