Best Calendar Apps 2026

eM Client suits people who want email and productivity tools together across desktop and mobile platforms.

Thunderbird suits people who want to manage several email accounts, use calendar and contact tools, or customize an open-source email app.

It may suit consultants, recruiters, sales teams, executive assistants, and others who coordinate meetings by email.

DayOtter runs on the web and Android for appointment pages, team reservations and rotating host assignments.

Notion Calendar suits people who want to coordinate multiple calendars, share availability, or use scheduling links.

The Free plan is described for personal scheduling, while Team is aimed at groups that schedule together.

Morgen may suit people coordinating shared calendars, blocking time, and arranging meetings through scheduling links.

Tilly suits people whose time is split across calendar accounts and who want tasks and availability in one day plan.

Vyte is a web and iOS calendar for appointment pages, group reservations and rotating assignment schedules.