Google Calendar - Spend less time managing your day & more time enjoying it
Meetingbird for Gmail - View your calendar and schedule meetings right from Gmail
Zoho Calendar - Zoho Calendar is a business calendar that comes along with the Zoho Mail suite of applications. Make your schedules click by effortlessly managing events with Zoho Calendar.
Kin Calendar - The simple and connected calendar
Morgen.so - All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.
Calendly for Chrome - Schedule meetings without leaving your inbox