ar none, the best web email client in existence. Incredibly deep featureset. Cloud synced. One of the most collaborative options out there. Serves as identity for many other services, making provisioning and terminating across other services much easier.
Google Sheets doesn't feel as powerful as Excel.
Sync your data to Salesforce and track your team as they move work forward. Set goals for timelines, response/cycle times, work in progress, and more. Any process, any object in Salesforce.