Onesheet CRM - The Simple CRM for Google Sheets
Future - Calendar events around the clock
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
Event Calendar App - A simple, easy to manage, way of displaying events
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Whenever - Casual calendar app for iOS